The following railroads operate in the U.S. state of Pennsylvania.
Common freight carriers
- Aliquippa and Ohio River Railroad (AOR) Genesee & Wyoming
- Allegheny Valley Railroad (AVR)
- Allentown and Auburn Railroad (ALLN)
- BD Highspire Holdings (BDHH)
- Belvidere and Delaware River Railway (BDRV)
- Brandywine Valley Railroad (BVRY)
- Buffalo and Pittsburgh Railroad (BPRR) (Genesee & Wyoming)
- Canadian National Railway (CN) through subsidiary Bessemer and Lake Erie Railroad (BLE)
- Canadian Pacific Kansas City (CPKC) through subsidiary Delaware and Hudson Railway (DH)
- Central New York Railroad (CNYK)
- Chestnut Ridge Railroad (CHR)
- Columbia and Reading Railway (CORY)
- Conrail Shared Assets Operations (CRR)
- operates Philadelphia Belt Line Railroad (PBL)
- CSX (CSX)
- Delaware-Lackawanna Railroad (DL)
- East Erie Commercial Railroad (EEC)
- East Penn Railroad (ESPN) (Regional Rail, LLC)
- Elizabethtown Industrial Railroad (EZR)
- Everett Railroad (EV)
- Gettysburg and Northern Railroad (GET)[1]
- Juniata Valley Railroad (JVRR) North Shore Railroad)
- Kasgro Rail Lines (KRL)
- Kiski Junction Railroad (KJR)
- Landisville Railroad (LVR)
- Lehigh Railway (LRWY)
- Lehigh Valley Rail Management (LVRB, LVRC, LVRJ)
- Luzerne and Susquehanna Railway (LS)
- Lycoming Valley Railroad (LVRR) (North Shore Railroad (Pennsylvania))
- Maryland Midland Railway (MMID) (Genesee & Wyoming)
- Middletown & Hummelstown Railroad (MIDH)
- New Castle Industrial Railroad (NCIR)
- New Hope Railroad (NHRR)
- New York, Susquehanna and Western Railway (NYSW)
- Nittany and Bald Eagle Railroad (NBER) (North Shore Railroad (Pennsylvania))
- Norfolk Southern (NS)
- NDC Railroad (NDC)
- North Shore Railroad (NSHR)
- Oil Creek and Titusville Railroad (OCTL)
- Pennsylvania & Southern Railway (PSCC)
- Pennsylvania Northeastern Railroad (PN)
- Pennsylvania Southwestern Railroad (PSWR)
- Pittsburgh, Allegheny and McKees Rocks Railroad (PAM)
- Pittsburgh and Ohio Central Railroad (POHC) (Genesee & Wyoming)
- Reading Blue Mountain and Northern Railroad (RBMN)
- R.J. Corman Railroad/Allentown Line (RJCN)
- R.J. Corman Railroad/Pennsylvania Lines (RJCP)
- Shamokin Valley Railroad (SVRR) (North Shore Railroad (Pennsylvania))
- SMS Rail Lines (SRL)
- Operates Penn Jersey Rail Lines
- Southwest Pennsylvania Railroad (SWP)
- Strasburg Railroad (SRC)
- Tyburn Railroad (TYBR) (Regional Rail, LLC)
- Union Railroad (URR)
- Union County Industrial Railroad (UCIR) (North Shore Railroad (Pennsylvania))
- Upper Merion & Plymouth Railroad (UMP)
- Wellsboro and Corning Railroad (WCOR) (Genesee & Wyoming)
- Western New York and Pennsylvania Railroad (WNYP)
- Wheeling and Lake Erie Railway (WE)
- York Railway (YRC) (Genesee and Wyoming)
- Operates Maryland and Pennsylvania Railroad (Genesee & Wyoming) and Yorkrail
- Youngstown and Southeastern Railroad (YSRR)
Private freight carriers
- Cumberland Mine Railroad
- Alpha Natural Resources
- Conshohocken Recycling and Rail Transfer, Inc (CRRT)
- Juniata Terminal Company (JTFS)
- Leetsdale Industrial Terminal Railway (LIT)
Passenger carriers
- Allentown and Auburn Railroad (heritage railroad)
- Amtrak (AMTK) (national passenger rail)
- CamTran (Johnstown mass transit agency operates Johnstown Inclined Plane)
- Colebrookdale Railroad (heritage railroad)
- Delaware Lackawanna RailRoad
- East Broad Top Railroad and Coal Company
- Fayette Central Railroad (tourist trains operating over Southwest Pennsylvania Railroad trackage)
- Kiski Junction Railroad (working railroad that also operates tourist trains)
- Lehigh Gorge Scenic Railway (heritage railroad)
- Lehigh Lackawanna RailRoad
- Middletown and Hummelstown Railroad (working railroad, but with emphasis on tourist trains)
- New Hope Railroad (working railroad that also operates tourist trains)
- New Jersey Transit Rail Operations (Atlantic City Line commuter train travels from Philadelphia)
- Oil Creek and Titusville Lines (working railroad, but with emphasis on tourist trains)
- Pioneer Lines Scenic Railway (heritage railroad)
- Port Authority of Allegheny County (Pittsburgh mass transit agency that operates The T light rail, the Monongahela Incline, and the Duquesne Incline)
- Port Authority Transit Corporation (Bi-state authority operates Philadelphia-Camden County subway line)
- Southeastern Pennsylvania Transportation Authority (Philadelphia mass transit agency that operates SEPTA Regional Rail commuter lines, the Philadelphia Subway, and a variety of suburban light rail lines)
- Strasburg Railroad (heritage railroad)
- Tioga Central Railroad (heritage railroad)
- Wanamaker, Kempton and Southern Railroad (heritage railroad)
- West Chester Railroad (heritage railroad)
Museums and historic sites
- Allegheny Portage Railroad
- Howard Tunnel
- Electric City Trolley Museum
- Gallitzin Tunnel
- Horseshoe Curve
- Mars Station, Pennsylvania
- Pennsylvania Trolley Museum
- Railroad Museum of Pennsylvania
- Reading Company Technical & Historical Society
- Rockhill Trolley Museum
- Steamtown National Historic Site
- Western Pennsylvania Model Railroad Museum
Defunct railroads
| Name | Mark | System[nb 1] | From | To | Successor | Notes |
|---|---|---|---|---|---|---|
| Addison and Pennsylvania Railway | B&O | 1887 | 1898 | Susquehanna and New York Railroad | ||
| Addison and Northern Pennsylvania Railway | B&O | 1882 | 1887 | Addison and Pennsylvania Railway | ||
| Aliquippa and Southern Railroad | ALQS | 1906 | 2002 | Aliquippa and Ohio River Railroad | ||
| Allegheny Railroad | ALY | 1985 | 1992 | Allegheny and Eastern Railroad | ||
| Allegheny and Bald Eagle Railroad, Coal and Iron Company | PRR | 1839 | 1859 | Bellefonte and Snowshoe Railroad | ||
| Allegheny and Eastern Railroad | ALY | 1992 | Still exists as a nonoperating subsidiary of the Buffalo and Pittsburgh Railroad | |||
| Allegheny Junction Railroad | 1898 | 1907 | N/A | |||
| Allegheny and South Side Railway | AYSS | 1892 | ||||
| Allegheny Southern Railway | ASRW | 1982 | 1985 | Everett Railroad | ||
| Allegheny Terminal Company | 1899 | |||||
| Allegheny Valley Railroad | PRR | 1852 | 1891 | Allegheny Valley Railway | ||
| Allegheny Valley Railway | PRR | 1892 | 1910 | Pennsylvania Railroad | ||
| Allegheny and Western Railway | B&O | 1896 | Still exists as a nonoperating subsidiary of CSX Transportation | |||
| Allentown Railroad | RDG | 1853 | 1945 | Reading Company | ||
| Allentown Terminal Railroad | CNJ/ RDG | 1888 | 1976 | Consolidated Rail Corporation | ||
| Altoona and Beech Creek Railroad | 1897 | 1910 | Altoona, Juniata and Northern Railway | |||
| Altoona, Clearfield and Northern Railroad | 1891 | 1897 | Altoona and Beech Creek Railroad | |||
| Altoona, Juniata and Northern Railway | 1910 | 1913 | Altoona Northern Railroad | |||
| Altoona Northern Railroad | 1912 | 1919 | N/A | |||
| Altoona and Philipsburg Connecting Railroad | 1892 | 1906 | New York and Pittsburgh Air Line Railroad | |||
| Anthracite Railway | ATRW | 1983 | 1989 | Blue Mountain and Reading Railroad | ||
| Arnot and Pine Creek Railroad | ERIE | 1881 | 1937 | Tioga Railroad | ||
| Atlantic and Great Western Railroad | ERIE | 1871 | 1880 | New York, Pennsylvania and Ohio Railroad | ||
| Atlantic and Great Western Railroad | ERIE | 1858 | 1865 | Atlantic and Great Western Railway | ||
| Atlantic and Great Western Railway | ERIE | 1865 | 1871 | Atlantic and Great Western Railroad | ||
| Auburn and Port Clinton Railroad | RDG | 1854 | 1857 | Allentown Railroad | ||
| Altoona and Wopsononock Railroad | 1890 | 1891 | Altoona, Clearfield and Northern Railroad | |||
| Bachman Valley Railroad | WM | 1871 | 1886 | Baltimore and Harrisburg Railway | ||
| Bald Eagle Valley Railroad | PRR | 1861 | 1908 | Pennsylvania Railroad | ||
| Baltimore Coal and Union Railroad Company | D&H | 1868 | 1871 | Northern Coal and Iron Company | ||
| Baltimore and Cumberland Valley Railroad | WM | 1878 | 1917 | Western Maryland Railway | ||
| Baltimore and Cumberland Valley Railroad Extension Company | WM | 1880 | Still exists as a nonoperating subsidiary of CSX Transportation | |||
| Baltimore and Hanover Railroad | WM | 1877 | 1886 | Baltimore and Harrisburg Railway | ||
| Baltimore and Harrisburg Railway | WM | 1886 | 1917 | Western Maryland Railway | ||
| Baltimore and Harrisburg Railway (Eastern Extension) | WM | 1888 | 1917 | Western Maryland Railway | ||
| Baltimore and Harrisburg Railway (Western Extension) | WM | 1888 | 1917 | Western Maryland Railway | ||
| Baltimore and Lehigh Railroad | 1891 | 1894 | York Southern Railroad | |||
| Baltimore and Ohio Railroad | B&O, BO | B&O | 1876 | 1987 | Chesapeake and Ohio Railway | |
| Baltimore and Ohio Railroad in Pennsylvania | B&O | 1912 | 1980 | Baltimore and Ohio Railroad | ||
| Baltimore and Ohio Short Line Railroad | B&O | 1885 | 1887 | Wheeling, Pittsburgh and Baltimore Railroad | ||
| Baltimore and Philadelphia Railroad | B&O | 1883 | 1989 | CSX Transportation | ||
| Baltimore and Philadelphia Railway | B&O | 1883 | 1883 | Baltimore and Philadelphia Railroad | ||
| Bangor and Bath Railroad | DL&W | 1880 | 1880 | Bangor and Portland Railway | ||
| Bangor and Portland Railway | DL&W | 1879 | 1909 | Delaware, Lackawanna and Western Railroad | ||
| Barclay Railroad | LV | 1891 | 1902 | Susquehanna and New York Railroad | ||
| Barclay Coal Company | LV | 1862 | 1891 | Barclay Railroad | ||
| Barclay Railroad and Coal Company | LV | 1854 | 1862 | Barclay Coal Company | ||
| Bare Rock Railroad | 1892 | |||||
| Bear Creek Railroad | B&LE | 1865 | 1867 | Shenango and Allegheny Railroad | ||
| Beaver Connecting Railroad | ||||||
| Beaver and Ellwood Railroad | PLE | 1890 | 1916 | Pittsburgh and Lake Erie Railroad | ||
| Beaver Meadow Railroad and Coal Company | LV | 1830 | 1864 | Lehigh Valley Railroad | ||
| Beaver Meadow, Tresckow and New Boston Railroad | CNJ | 1894 | N/A | |||
| Beaver Valley Railroad | PLE/ PRR | 1899 | 1941 | Cleveland and Pittsburgh Railroad, Pittsburgh and Lake Erie Railroad | ||
| Bedford Railroad | 1859 | 1864 | Huntingdon and Broad Top Mountain Railroad and Coal Company | |||
| Bedford and Blair County Railroad | PRR | 1893 | 1894 | Pennsylvania Midland Railroad | ||
| Bedford and Bridgeport Railroad | PRR | 1868 | 1891 | Bedford and Bridgeport Railway | ||
| Bedford and Bridgeport Railway | PRR | 1891 | 1911 | Hollidaysburg, Bedford and Cumberland Railroad | ||
| Bedford and Hollidaysburg Railroad | PRR | 1902 | 1911 | Hollidaysburg, Bedford and Cumberland Railroad | ||
| Beech Creek Railroad | NYC | 1886 | 1976 | Consolidated Rail Corporation | ||
| Beech Creek, Clearfield and Southwestern Railroad | NYC | 1883 | 1886 | Beech Creek Railroad | ||
| Beech Creek Extension Railroad | NYC | 1901 | 1961 | New York Central Railroad | ||
| Bellefonte and Buffalo Run Railroad | 1882 | 1882 | Buffalo Run, Bellefonte and Bald Eagle Railroad | |||
| Bellefonte Central Railroad | BFC | 1892 | 1985 | Nittany and Bald Eagle Railroad | ||
| Bellefonte, Nittany and Lemont Railroad | PRR | 1883 | 1889 | Bald Eagle Valley Railroad | ||
| Bellefonte and Snowshoe Railroad | PRR | 1859 | 1881 | Bald Eagle Valley Railroad | ||
| Bell's Gap Railroad | PRR | 1871 | 1889 | Pennsylvania and North Western Railroad | ||
| Bells Run Railroad | 1903 | |||||
| Belvidere Delaware Railroad | PRR | 1896 | 1958 | United New Jersey Railroad and Canal Company | ||
| Berks and Chester Railroad | RDG | 1864 | 1866 | Wilmington and Reading Railroad | ||
| Berks County Railroad | RDG | 1871 | 1874 | Reading and Lehigh Railroad | ||
| Berlin Railroad | B&O | 1879 | 1912 | Baltimore and Ohio Railroad in Pennsylvania | ||
| Berlin Branch Railroad | 1876 | 1903 | East Berlin Railway | |||
| Bethlehem Railroad | LNE | 1861 | 1864 | Lehigh and Lackawanna Railroad | ||
| Big Level and Bradford Railroad | B&O | 1881 | 1883 | Pittsburgh, Bradford and Buffalo Railway | ||
| Big Level and Kinzua Railroad | B&O | 1881 | 1911 | Pittsburgh and Western Railroad | ||
| Binghamton, Towanda and Western Railway | LV | 1902 | 1902 | Susquehanna and New York Railroad | ||
| Blacklick and Yellow Creek Railroad | 1904 | 1911 | Cambria and Indiana Railroad | |||
| Blacksville and Western Railway | MGA | 1917 | 1917 | Morgantown and Wheeling Railway | ||
| Bloom Run Railroad | 1902 | |||||
| Bloomsburg and Sullivan Railroad | BBS | RDG | 1883 | 1928 | Reading Company | |
| Blossburg Coal Mining and Railroad Company | 1866 | 1885 | Erie Railroad | |||
| Blue Mountain and Reading Railroad | BMRG | 1983 | 1995 | Reading Blue Mountain & Northern Railroad | ||
| Bradford Railroad | PRR | 1911 | 1932 | Western New York and Pennsylvania Railway | ||
| Bradford Railway | PRR | 1881 | 1911 | Bradford Railroad | ||
| Bradford, Bordell and Kinzua Railroad | 1880 | 1892 | Bradford, Bordell and Kinzua Railway | |||
| Bradford, Bordell and Kinzua Railway | 1892 | 1903 | Buffalo, Bradford and Kane Railroad | |||
| Bradford, Bordell and Smethport Railroad | 1880 | 1892 | Bradford, Bordell and Kinzua Railway | |||
| Bradford and Foster Brook Railway | 1877 | 1879 | N/A | |||
| Bradford Industrial Rail | BR | 1993 | 2004 | Buffalo and Pittsburgh Railroad | ||
| Bradford and State Line Railroad | B&O | 1881 | 1881 | Rochester and Pittsburgh Railroad | ||
| Bradford and Western Pennsylvania Railroad | 1891 | |||||
| Bridgeport and Widemire Railway | B&O | 1896 | 1913 | Clearfield and Mahoning Railway | ||
| Bristol Industrial Terminal Railway | BITY | 1992 | 1997 | Penn Eastern Rail Lines | ||
| Brock Railroad | 1903 | |||||
| Brockport and Shawmut Railroad | ERIE | 1886 | 1940 | New York, Lake Erie and Western Coal and Railroad Company | ||
| Brockwayville and Punxsutawney Railroad | B&O | 1882 | 1891 | Buffalo, Rochester and Pittsburgh Railway | ||
| Brooks Mills and Altoona Railroad | PRR | 1894 | 1894 | Pennsylvania Midland Railroad | ||
| Brookville Railway | 1896 | |||||
| Brookville and Mahoning Railroad | PS&N | 1903 | 1909 | Pittsburg and Shawmut Railroad | ||
| Brownstone and Middletown Railroad | 1892 | N/A | ||||
| Brownsville Railway | PRR | 1875 | 1880 | Pittsburgh, Virginia and Charleston Railway | ||
| Brownsville and New Haven Railway | B&O | 1876 | 1882 | Ohio and Baltimore Short Line Railway | ||
| Brownsville and State Line Railroad | PRR | 1893 | 1894 | Pittsburgh, Virginia and Charleston Railway | ||
| Bruce and Clairton Railroad | P&WV | 1901 | 1902 | West Side Belt Railroad | ||
| Buffalo and Bradford Railroad | ERIE | 1856 | 1859 | Buffalo, Bradford and Pittsburgh Railroad | ||
| Buffalo, Bradford and Kane Railroad | 1904 | 1931 | N/A | Operated by Mount Jewett, Kinzua and Riterville Railroad | ||
| Buffalo, Bradford and Pittsburgh Railroad | ERIE | 1859 | 1941 | Erie Railroad | ||
| Buffalo, Chautauqua Lake and Pittsburgh Railway | PRR | 1879 | 1880 | Pittsburgh, Titusville and Buffalo Railway | ||
| Buffalo, Corry and Pittsburgh Railroad | PRR | 1867 | 1872 | Corry and State Line Railroad | ||
| Buffalo, Cleveland and Chicago Railway | NKP | 1881 | 1881 | New York, Chicago and St. Louis Railway | ||
| Buffalo Coal and Iron Company | DL&W | 1856 | 1860 | Continental Coal Company | ||
| Buffalo and Erie Railroad | NYC | 1867 | 1869 | Lake Shore and Michigan Southern Railway | ||
| Buffalo, New York and Philadelphia Railroad | PRR | 1883 | 1887 | Western New York and Pennsylvania Railway of Pennsylvania | ||
| Buffalo, New York and Philadelphia Railway | PRR | 1871 | 1883 | Buffalo, New York and Philadelphia Railroad | ||
| Buffalo, Pittsburgh and Western Railroad | PRR | 1881 | 1883 | Buffalo, New York and Philadelphia Railroad | ||
| Buffalo, Rochester and Pittsburgh Railway | BR&P | B&O | 1887 | Still exists as a nonoperating subsidiary of CSX Transportation | ||
| Buffalo Run, Bellefonte and Bald Eagle Railroad | 1882 | 1891 | Bellefonte Central Railroad | |||
| Buffalo and St. Marys Railroad | PS&N | 1895 | 1897 | Buffalo, St. Marys and Southwestern Railroad | ||
| Buffalo, St. Marys and Southwestern Railroad | PS&N | 1897 | 1899 | Pittsburg, Shawmut and Northern Railroad | ||
| Buffalo and Susquehanna Railroad | B&S | B&O | 1891 | 1954 | Baltimore and Ohio Railroad | |
| Buffalo and Susquehanna Railway | B&O | 1907 | 1910 | N/A | Leased the Buffalo and Susquehanna Railroad | |
| Buffalo Valley Railroad | B&O | 1868 | 1879 | Berlin Railroad | ||
| Buffalo and Washington Railway | PRR | 1866 | 1871 | Buffalo, New York and Philadelphia Railway | ||
| Bustleton Railroad | PRR | 1891 | 1902 | Connecting Railway | ||
| Bustleton and Eastern Railroad | PRR | 1893 | 1893 | Philadelphia, Bustleton and Trenton Railroad | ||
| Butler and Pittsburgh Railroad | B&LE | 1896 | 1897 | Pittsburg, Bessemer and Lake Erie Railroad | ||
| Caledonia Iron, Land and Railroad Company | PRR | 1867 | 1869 | Southern Pennsylvania Iron and Railroad Company | ||
| Cambria and Clearfield Railroad | PRR | 1887 | 1903 | Cambria and Clearfield Railway | ||
| Cambria and Clearfield Railway | PRR | 1903 | 1913 | Pennsylvania Railroad | ||
| Cambria County Railroad | NYC | 1896 | 1898 | Beech Creek Railroad | ||
| Cambria and Indiana Railroad | CI | 1911 | 1994 | N/A | ||
| Cammal and Black Forest Railway | 1894 | |||||
| Canoe Creek Railroad | NYC | 1900 | 1901 | Beech Creek Extension Railroad | ||
| Carbon Limestone Railroad | PLE | 1894 | 1894 | Mahoning State Line Railroad | ||
| Catasauqua and Fogelsville Railroad | RDG | 1854 | 1944 | Reading Company | ||
| Catawissa Railroad | RDG | 1860 | 1953 | Reading Company | ||
| Catawissa, Williamsport and Erie Railroad | RDG | 1849 | 1860 | Catawissa Railroad | ||
| Central Columbiana and Pennsylvania Railway | CQPA | 2001 | 2004 | Ohio and Pennsylvania Railroad | ||
| Central Railroad of New Jersey | CNJ | CNJ | 1952 | 1976 | Consolidated Rail Corporation | |
| Central Railroad of New Jersey | CNJ | CNJ | 1871 | 1946 | Central Railroad of Pennsylvania | |
| Central Railroad of Pennsylvania | CRP | CNJ | 1944 | 1976 | Consolidated Rail Corporation | |
| Central Railroad of Pennsylvania | 1891 | 1918 | N/A | |||
| Central Pennsylvania Railroad | 1889 | 1891 | Central Railroad of Pennsylvania | |||
| Central Pennsylvania Railroad (Eastern Extension) | 1890 | 1891 | Central Railroad of Pennsylvania | |||
| Central Pennsylvania and Western Railroad | PRR | 1893 | 1902 | Susquehanna, Bloomsburg, and Berwick Railroad | ||
| Central Trunk Railway | NYC | 1868 | 1909 | Jamestown, Franklin and Clearfield Railroad | ||
| Chambersburg and Gettysburg Railroad | 1890 | |||||
| Chambersburg, Greencastle and Hagerstown Railroad | PRR | 1853 | 1859 | Franklin Railroad | ||
| Chapman and Lehigh Railway | DL&W | 1881 | 1882 | Bangor and Portland Railway | ||
| Chartiers Railway | PRR | 1867 | 1907 | Pittsburgh, Cincinnati, Chicago and St. Louis Railway | ||
| Chartiers Connecting Railroad | PRR | 1881 | 1899 | Chartiers Railway | ||
| Chartiers and Mansfield Valley Railway | PLE/ PRR | 1880 | 1881 | Pittsburgh, Chartiers and Youghiogheny Railway | ||
| Chartiers Southern Railway | MGA | 1906 | 1929 | Monongahela Railway | ||
| Chartiers Valley Railroad | PRR | 1853 | 1866 | Chartiers Railway | ||
| Cheat Haven Railroad | B&O | 1902 | 1907 | Fairmont, Morgantown and Pittsburg Railroad | ||
| Cheat Haven and Bruceton Railroad | B&O | 1911 | 1965 | N/A | ||
| Cheat River Railroad | B&O | 1896 | 1907 | Fairmont, Morgantown and Pittsburg Railroad | ||
| Cherry Grove Railroad | 1884 | 1894 | Tionesta Valley Railway | |||
| Cherry Springs Railroad | B&O | 1893 | 1893 | Buffalo and Susquehanna Railroad | ||
| Cherry Tree and Dixonville Railroad | NYC/ PRR | 1903 | 1970 | Penn Central Transportation Company | ||
| Chesapeake and Ohio Railway | CO | 1987 | 1987 | CSX Transportation | ||
| Chester Creek Railroad | PRR | 1866 | 1917 | Philadelphia, Baltimore and Washington Railroad | ||
| Chester and Delaware River Railroad | RDG | 1871 | 1923 | Reading Company | ||
| Chester Valley Railroad | RDG | 1850 | 1888 | Philadelphia and Chester Valley Railroad | ||
| Chester Valley Railway | CHTS | 1996 | 1997 | Penn Eastern Rail Lines | ||
| Chestnut Hill Railroad | RDG | 1848 | 1948 | Reading Company | ||
| Chestnut Ridge Railroad of Pennsylvania | 1898 | 1902 | Chestnut Ridge Railway | |||
| Chestnut Ridge Railway | CHR | 1902 | 2003 | Chestnut Ridge Railroad | Owned by New Jersey Zinc and successors from 1907 | |
| Cheswick and Harmar Railroad | CHH | 1901 | 1972 | N/A | Formerly owned by Duquesne Light | |
| Clarion and Jefferson Railroad | 1904 | 1904 | Pittsburgh, Summerville and Clarion Railroad | |||
| Clarion River Railway | 1889 | 1948 | N/A | |||
| Clarion and Summerville Railroad | 1900 | 1901 | Clarion, Summerville and Pittsburgh Railroad | |||
| Clarion, Summerville and Pittsburgh Railroad | 1901 | 1903 | ||||
| Clearfield and Jefferson Railway | PRR | 1885 | 1889 | Bell's Gap Railroad | ||
| Clearfield and Mahoning Railway | B&O | 1892 | Still exists as a nonoperating subsidiary of R.J. Corman Railroad/Pennsylvania Lines | |||
| Clearfield Southern Railroad | NYC | 1898 | 1905 | Beech Creek Extension Railroad | ||
| Cleveland, Painesville and Ashtabula Railroad | NYC | 1854 | 1868 | Lake Shore Railway | ||
| Cleveland and Pittsburgh Railroad | PRR | 1850 | 1976 | Consolidated Rail Corporation | ||
| Coal Glen Railroad | 1889 | |||||
| Colebrook Valley Railroad | PRR | 1881 | 1886 | Cornwall and Lebanon Railroad | ||
| Colebrookdale Railroad | RDG | 1865 | 1945 | Reading Company | ||
| Columbia Bank | PRR | 1852 | 1864 | Columbia Bridge Company | ||
| Columbia Bank and Bridge Company | PRR | 1837 | 1852 | Columbia Bank | ||
| Columbia Bridge Company | PRR | 1864 | 1871 | Pennsylvania Railroad | ||
| Columbia Bridge Company | PRR | 1835 | 1837 | Columbia Bank and Bridge Company | ||
| Columbia and Maryland Line Railroad | PRR | 1860 | 1864 | Columbia and Port Deposit Railroad | ||
| Columbia and Port Deposit Railroad | PRR | 1864 | 1890 | Columbia and Port Deposit Railway | ||
| Columbia and Port Deposit Railway | PRR | 1890 | 1916 | Philadelphia, Baltimore and Washington Railroad | ||
| Columbus and Erie Railroad | ERIE | 1905 | 1941 | Erie Railroad | ||
| Conemaugh and Black Lick Railroad | CBL | 1923 | Lehigh Valley Rail Management | |||
| Conewango Valley Railroad | NYC | 1870 | 1870 | Dunkirk, Warren and Pittsburgh Railway | ||
| Confluence and Oakland Railroad | B&O | 1890 | 1941 | N/A | ||
| Confluence and State Line Railroad | B&O | 1889 | 1890 | Confluence and Oakland Railroad | ||
| Connecting Railway | PRR | 1863 | 1976 | Consolidated Rail Corporation | ||
| Connection Railroad | NYC | 1870 | 1871 | Junction Railroad | ||
| Connellsville Central Railroad | MGA | 1902 | 1905 | Connellsville and Monongahela Railway | ||
| Connellsville and Monongahela Railway | MGA | 1905 | N/A | |||
| Connellsville and State Line Railway | WM | 1910 | 1917 | Western Maryland Railway | ||
| Connequenessing Valley Railroad | B&LE | 1881 | 1882 | West Penn and Shenango Connecting Railroad | ||
| Consolidated Rail Corporation | CR | 1976 | 1999 | CSX Transportation, Norfolk Southern Railway | ||
| Continental Coal Company | DL&W | 1860 | 1865 | Keyser Valley Railroad | ||
| Corning, Cowanesque and Antrim Railway | NYC | 1873 | 1892 | Fall Brook Railway | ||
| Cornwall Railroad | CWL | RDG | 1870 | 1968 | Reading Company | |
| Cornwall and Lebanon Railroad | C&L | PRR | 1882 | 1918 | Pennsylvania Railroad | |
| Cornwall and Mount Hope Railroad | RDG | 1883 | 1886 | Cornwall Railroad | ||
| Corry and State Line Railroad | PRR | 1879 | 1879 | Buffalo, Chautauqua Lake and Pittsburgh Railway | ||
| Coudersport and Pine Creek Railroad | 1889 | 1895 | Coudersport and Port Allegany Railroad | |||
| Coudersport and Port Allegany Railroad | CPA | 1882 | 1970 | N/A | Owned by Wellsville, Addison and Galeton Railroad | |
| Coudersport and Wellsboro Railroad | B&O | 1892 | 1894 | Buffalo and Susquehanna Railroad | ||
| Cowanesque Valley Railroad | NYC | 1869 | 1874 | Corning, Cowanesque and Antrim Railway | ||
| Crane Railroad | LNE | 1905 | 1914 | Lehigh and New England Railroad | ||
| Cresson Railroad | PRR | 1891 | 1891 | Cambria and Clearfield Railroad | ||
| Cresson and Clearfield County and New York Short Route Railroad | PRR | 1882 | 1894 | Cresson and Irvona Railroad | ||
| Cresson and Irvona Railroad | PRR | 1894 | 1903 | Cambria and Clearfield Railway | ||
| Cross Cut Railroad | PRR | 1864 | 1867 | Buffalo, Corry and Pittsburgh Railroad | ||
| Cross Fork Railroad | B&O | 1893 | 1893 | Buffalo and Susquehanna Railroad | ||
| Cumberland Valley Railroad | PRR | 1831 | 1919 | Pennsylvania Railroad | ||
| Cumberland Valley and Waynesboro Railroad | PRR | 1901 | 1906 | Cumberland Valley Railroad | ||
| Curwensville and Bower Railroad | NYC | 1903 | 1905 | Beech Creek Extension Railroad | ||
| Dahoga and Highland Railroad | ||||||
| Dallastown Railroad | 1898 | 1902 | Maryland and Pennsylvania Railroad | |||
| Danville, Hazleton and Wilkes-Barre Railroad | PRR | 1867 | 1878 | Sunbury, Hazleton and Wilkesbarre Railway | ||
| Danville and Pottsville Railroad | PRR | 1826 | 1851 | Philadelphia and Sunbury Railroad | ||
| Darlington Cannel Coal Railroad | PLE/ PRR | 1852 | 1855 | Pittsburgh, Lisbon and Western Railroad, Pittsburgh, Marion and Chicago Railway | ||
| Dauphin and Susquehanna Coal Company | RDG | 1838 | 1859 | Schuylkill and Susquehanna Railroad | ||
| Dawson, Broadford and Mount Pleasant Railroad | PLE | 1881 | 1882 | Pittsburgh, McKeesport and Youghiogheny Railroad | ||
| Delaware and Chester County Railroad | B&O | 1867 | 1869 | Wilmington and Western Railroad | ||
| Delaware and Cobb's Gap Railroad | DL&W | 1849 | 1853 | Delaware, Lackawanna and Western Railroad | ||
| Delaware and Hudson Company | D&H | 1899 | 1930 | Delaware and Hudson Railroad | ||
| Delaware and Hudson Railroad | D&H | D&H | 1930 | 1968 | Delaware and Hudson Railway | |
| Delaware and Hudson Canal Company | D&H | 1826 | 1899 | Delaware and Hudson Company | ||
| Delaware, Lackawanna and Western Railroad | DL&W, DLW | DL&W | 1853 | 1960 | Erie–Lackawanna Railroad | |
| Delaware, Lehigh, Schuylkill and Susquehanna Railroad | LV | 1846 | 1853 | Lehigh Valley Railroad | ||
| Delaware River Railroad and Bridge Company | PRR | 1896 | 1954 | Penndel Company | ||
| Delaware River and Lancaster Railroad | 1868 | 1893 | N/A | |||
| Delaware River and Union Railroad | DR&U | 1902 | 1941 | N/A | Owned by Sunoco | |
| Delaware and Slatington Railroad | LNE | 1881 | 1882 | Pennsylvania, Slatington and New England Railroad | ||
| Delaware, Susquehanna and Schuylkill Railroad | LV | 1890 | 1949 | Lehigh Valley Railroad | ||
| Delaware Valley Railroad | 1899 | 1903 | Delaware Valley Railway | |||
| Delaware Valley Railway | DV | 1994 | 1999 | Brandywine Valley Railroad | ||
| Delaware Valley Railway | 1904 | 1937 | N/A | |||
| Delaware Valley Railway | 1899 | Delaware Valley, Hudson and Lehigh Railroad | ||||
| Delaware Valley, Hudson and Lehigh Railroad | 1898 | 1899 | Delaware Valley Railroad | |||
| Delaware Western Railroad | B&O | 1877 | 1883 | Baltimore and Philadelphia Railroad | ||
| Dent's Run Railroad | 1903 | N/A | ||||
| Diamond Valley Railroad | 1886 | 1891 | Newport and Shermans Valley Railroad | Founder David Gring relocated and began a new railroad when the DVRR folded.[2] | ||
| Dillsburg and Mechanicsburg Railroad | PRR | 1871 | 1906 | Cumberland Valley Railroad | ||
| Doe Run and White Clay Creek Railroad | PRR | 1868 | 1870 | Pennsylvania and Delaware Railroad | ||
| Donora Southern Railroad | DSO | 1902 | N/A | |||
| Downingtown and Lancaster Railroad | PRR | 1888 | 1903 | Pennsylvania Railroad | ||
| Dunkirk, Allegheny Valley and Pittsburgh Railroad | NYC | 1873 | 1914 | New York Central Railroad | ||
| Dunkirk, Warren and Pittsburgh Railway | NYC | 1870 | 1873 | Dunkirk, Allegheny Valley and Pittsburgh Railroad | ||
| Eagles Mere Railroad | 1891 | 1922 | Eagles Mere Railway | |||
| Eagles Mere Railway | 1922 | 1927 | N/A | |||
| East Berlin Railroad | EB | 1914 | 1939 | N/A | ||
| East Berlin Railway | 1903 | 1914 | East Berlin Railroad | |||
| East Brandywine Railroad | PRR | 1854 | 1860 | East Brandywine and Waynesburg Railroad | ||
| East Brandywine and Waynesburg Railroad | PRR | 1860 | 1888 | Downingtown and Lancaster Railroad | ||
| East Broad Top Railroad and Coal Company | 1856 | 1956 | N/A | Continued as a tourist railroad | ||
| East Mahanoy Railroad | RDG | 1854 | 1951 | Reading Company | ||
| East Mahanoy and Hazleton Railroad | EMHR | 1992 | 1996 | Reading Blue Mountain and Northern Railroad | ||
| East Penn Railways | EPRY | 1995 | 2007 | East Penn Railroad | ||
| East Pennsylvania Railroad | RDG | 1857 | 1976 | Consolidated Rail Corporation | ||
| East Stroudsburg and Matamoras Railroad | 1899 | Delaware Valley, Hudson and Lehigh Railroad | ||||
| Eastern Railroad | 1901 | 1925 | Monongahela Connecting Railroad | |||
| Easton and Northern Railroad | LV | 1889 | 1949 | Lehigh Valley Railroad | ||
| Easton and Western Railroad | CNJ | 1914 | 1944 | Central Railroad of Pennsylvania | ||
| Ebensburg and Black Lick Railroad | PRR | 1893 | 1903 | Cambria and Clearfield Railway | ||
| Ebensburg and Cresson Railroad | PRR | 1859 | 1891 | Cresson Railroad | ||
| Eddystone and Delaware River Railroad | PRR | 1899 | 1918 | Philadelphia, Baltimore and Washington Railroad | ||
| Elk and Highland Railroad | 1898 | 1913 | Elk and Highland Railway | |||
| Elk and Highland Railway | 1913 | 1913 | Tionesta Valley Railway | |||
| Elk Lick Coal, Lumber and Iron Company | B&O | 1868 | 1871 | Salisbury and Baltimore Railroad and Coal Company | ||
| Ellwood Connecting Railroad | PLE | 1892 | 1911 | Beaver and Ellwood Railroad | ||
| Ellwood Short Line Railroad | B&O | 1890 | 1912 | Pittsburgh and Western Railroad | ||
| Ellwood Southern Railroad | PLE | 1899 | 1899 | Beaver and Ellwood Railroad | ||
| Elmira and Williamsport Railroad | PRR | 1860 | 1969 | Penndel Company | ||
| Emlenton and Shippenville Railroad | B&O | 1875 | 1877 | Emlenton, Shippenville and Clarion Railway | ||
| Emlenton, Shippenville and Clarion Railway | B&O | 1877 | 1881 | Pittsburgh, Bradford and Buffalo Railway | ||
| Emporium and Mount Jewett Railroad | PS&N | 1895 | 1897 | Mount Jewett, Clermont and Northern Railroad | ||
| Emporium and Rich Valley Railroad | 1891 | |||||
| Engelside Railroad | PRR | 1892 | 1902 | Connecting Railway | ||
| Enterprise Railroad | RDG | 1865 | 1870 | Mahanoy and Shamokin Railroad | ||
| Erie Railroad | ERIE | ERIE | 1895 | 1960 | Erie–Lackawanna Railroad | |
| Erie Railway | ERIE | 1861 | 1878 | New York, Lake Erie and Western Railroad | ||
| Erie–Lackawanna Railroad | EL | 1960 | 1968 | Erie Lackawanna Railway | ||
| Erie Lackawanna Railway | EL | 1968 | 1976 | Consolidated Rail Corporation | ||
| Erie and North East Railroad | NYC, PRR | 1842 | 1867 | Buffalo and Erie Railroad, Erie and Pittsburgh Railroad | ||
| Erie and Ohio Rail Road | NYC | 1849 | 1854 | Cleveland, Painesville and Ashtabula Railroad | Built by the Franklin Canal Company | |
| Erie and Pittsburgh Railroad | PRR | 1858 | 1976 | Consolidated Rail Corporation | ||
| Erie, Shenango and Pittsburgh Railway | B&LE | 1886 | 1888 | Pittsburgh, Shenango and Lake Erie Railroad | ||
| Erie and State Line Railroad | NKP | 1887 | 1887 | New York, Chicago and St. Louis Railroad | ||
| Erie Terminal Railroad | B&LE | 1891 | 1893 | Pittsburgh, Shenango and Lake Erie Railroad | ||
| Erie and Wyoming Valley Railroad | ERIE | 1882 | 1941 | Erie Railroad | ||
| Eriton Railroad | ERIE | 1906 | 1933 | N/A | ||
| Etna and Montrose Railroad | 1896 | 1961 | N/A | |||
| Fair Hill Railroad | PRR | 1892 | 1902 | Connecting Railway | ||
| Fairmont, Morgantown and Pittsburg Railroad | B&O | 1893 | 1989 | CSX Transportation | ||
| Fall Brook Railway | NYC | 1892 | 1909 | Geneva, Corning and Southern Railroad | ||
| Falls Creek Railroad | 1889 | 1897 | Reynoldsville and Falls Creek Railroad | |||
| Farmers' Railroad | PRR | 1862 | 1868 | Warren and Franklin Railway | ||
| Fayette County Railroad | B&O | 1857 | 1912 | Baltimore and Ohio Railroad in Pennsylvania | ||
| Forest City and State Line Railroad | O&W | 1889 | 1889 | Ontario, Carbondale and Scranton Railway | ||
| Foxburg, Kane and Bradford Railroad | B&O | 1879 | 1881 | Pittsburgh, Bradford and Buffalo Railway | ||
| Foxburg, St. Petersburg and Clarion Railroad | B&O | 1877 | 1881 | Pittsburgh, Bradford and Buffalo Railway | ||
| Frankford Creek Railroad | PRR | 1890 | 1891 | Kensington and Tacony Railroad | ||
| Frankford and Holmesburg Railroad | PRR | 1863 | 1890 | Bustleton Railroad | ||
| Franklin Railroad | PRR | 1859 | 1865 | Cumberland Valley Railroad | ||
| Franklin Railroad | PRR | 1832 | 1850 | Chambersburg, Greencastle and Hagerstown Railroad | ||
| Franklin Canal Company | NYC | 1849 | 1854 | Cleveland, Painesville and Ashtabula Railroad | ||
| Franklin and Clearfield Railroad | NYC | 1902 | 1909 | Jamestown, Franklin and Clearfield Railroad | ||
| Gaffney and James City Railroad | B&O | 1913 | 1940 | N/A | ||
| Gaines and State Line Railroad | PRR | 1875 | 1876 | Geneva, Hornellsville and Pine Creek Railway | ||
| Galeton and Eastern Railroad | B&O | 1898 | 1901 | Buffalo and Susquehanna Railroad | ||
| Galeton, South Branch and Germania Railroad | ||||||
| Garfield and Cherry Grove Railroad | 1882 | 1884 | Cherry Grove Railroad | |||
| Geneva, Corning and Southern Railroad | NYC | 1909 | 1914 | New York Central Railroad | ||
| Geneva, Hornellsville and Pine Creek Railway | PRR | 1876 | 1879 | Lake Ontario Southern Railway | ||
| Gettysburg Railroad (1976-1996) | GETY | 1976 | 1996 | Gettysburg Railway | ||
| Gettysburg Railroad | WM | 1853 | 1870 | Susquehanna, Gettysburg and Potomac Railway | ||
| Gettysburg Railway | GBRY | 1996 | 2001 | Gettysburg and Northern Railroad | ||
| Gettysburg and Harrisburg Railroad | RDG | 1882 | 1891 | Gettysburg and Harrisburg Railway | ||
| Gettysburg and Harrisburg Railway | RDG | 1891 | 1945 | Reading Company | ||
| Girardville Railroad | PRR | 1892 | 1893 | Pennsylvania Schuylkill Valley Railroad | ||
| Glen Hazel and Shawmut Railroad | 1893 | Ketner, St. Mary's and Shawmut Railroad | ||||
| Glenwood Railroad | B&O | 1896 | 1912 | Baltimore and Ohio Railroad in Pennsylvania | ||
| Good Spring Railroad | RDG | 1863 | 1871 | Lebanon and Tremont Railroad | ||
| Grassy Island Railroad | ERIE | 1887 | 1936 | Moosic Mountain and Carbondale Railroad | ||
| Grays Run Railway | LV | 1903 | 1903 | Susquehanna and New York Railroad | ||
| Greenlick Railway | 1892 | N/A | ||||
| Greenlick Narrow Gauge Railway | 1874 | 1892 | Greenlick Railway | |||
| Hanover Branch Railroad | WM | 1849 | 1874 | Hanover Junction, Hanover and Gettysburg Railroad | ||
| Hanover Junction, Hanover and Gettysburg Railroad | WM | 1874 | 1886 | Baltimore and Harrisburg Railway | ||
| Hanover Junction and Susquehanna Railroad | RDG | 1876 | 1881 | Reading, Marietta and Hanover Railroad | ||
| Hanover and Newport Railroad | DL&W | 1894 | 1909 | Delaware, Lackawanna and Western Railroad | ||
| Hanover and York Railroad | PRR | 1873 | 1897 | York, Hanover and Frederick Railroad | ||
| Harrisburg, Portsmouth, Mountjoy and Lancaster Railroad | PRR | 1835 | 1917 | Pennsylvania Railroad | ||
| Harrisburg and Potomac Railroad | RDG | 1871 | 1890 | Harrisburg and Shippensburg Railroad | ||
| Harrisburg and Shippensburg Railroad | RDG | 1890 | 1890 | Philadelphia, Harrisburg and Pittsburgh Railroad | ||
| Harrisburg Terminal Railroad | RDG | 1889 | 1890 | Philadelphia, Harrisburg and Pittsburgh Railroad | ||
| Hazleton Railroad | LV | 1865 | 1868 | Lehigh Valley Railroad | ||
| Hazleton Coal Company | LV | 1836 | 1865 | Hazleton Railroad | ||
| Hempfield Railroad | B&O | 1850 | 1871 | Wheeling, Pittsburgh and Baltimore Railroad | ||
| Hickory Valley Railroad | 1887 | 1938 | N/A | |||
| Hicks Run Railroad | 1905 | |||||
| Hollidaysburg, Bedford and Cumberland Railroad | PRR | 1911 | 1914 | Pennsylvania Railroad | ||
| Hooverhurst and South Western Railroad | NYC | 1902 | 1913 | Beech Creek Extension Railroad | ||
| Howard Coal and Iron Company | D&H | 1864 | 1867 | Union Coal Company | ||
| Hunter's Run and Slate Belt Railroad | RDG | 1891 | 1910 | Gettysburg and Harrisburg Railway | ||
| Huntingdon and Broad Top Mountain Railroad and Coal Company | H&BT | 1852 | 1954 | Everett Railroad, Pennsylvania Railroad | ||
| Indian Creek Valley Railway | B&O | 1902 | 1972 | N/A | ||
| Ironton Railroad | IRN | LV/ RDG | 1859 | 1976 | Consolidated Rail Corporation | |
| ISS Rail, Inc. | ISSR | 1993 | New Castle Industrial Railroad | |||
| Jackson Coal Railroad | NYC | 1883 | 1909 | Jamestown, Franklin and Clearfield Railroad | ||
| Jamestown and Franklin Railroad | NYC | 1862 | 1909 | Jamestown, Franklin and Clearfield Railroad | ||
| Jamestown, Franklin and Clearfield Railroad | NYC | 1909 | 1915 | New York Central Railroad | ||
| Jeddo and Carbon County Railroad | LV | 1854 | 1856 | Lehigh and Luzerne Railroad | ||
| Jefferson Railroad | ERIE | 1851 | 1941 | Erie Railroad | ||
| Jefferson and Allegheny Railway | B&O | 1894 | 1898 | Allegheny and Western Railway | ||
| Jersey Shore and Antes Fort Railroad | 1904 | |||||
| Jersey Shore, Pine Creek and Buffalo Railway | NYC | 1870 | 1884 | Pine Creek Railway | ||
| Johnsonburg Railroad | PRR | 1887 | 1928 | Pennsylvania Railroad | ||
| Johnsonburgh Railroad | B&O | 1887 | 1888 | Johnsonburgh and Bradford Railroad | ||
| Johnsonburgh and Bradford Railroad | B&O | 1888 | 1907 | Buffalo, Rochester and Pittsburgh Railway | ||
| Johnsonburg, Kane, Warren and Irvine Railroad | JKWI | 1982 | 1985 | Allegheny Railroad | ||
| Johnstown and Stony Creek Railroad | J&SC, JSC | 1888 | 1983 | N/A | ||
| Jones Lake Railroad | ERIE | 1887 | 1894 | Erie and Wyoming Valley Railroad | ||
| Junction Railroad | PRR | 1860 | 1908 | Pennsylvania Railroad | ||
| Junction Railroad | NYC | 1870 | 1871 | Jamestown and Franklin Railroad | ||
| Juniata and Southern Railroad | 1913 | 1917 | N/A | |||
| Kane Railroad | 1899 | 1931 | N/A | Operated by Mount Jewett, Kinzua and Riterville Railroad | ||
| Kane and Elk Railroad | 1895 | 1946 | N/A | |||
| Karns City and Butler Railroad | B&O | 1873 | 1881 | Pittsburgh and Western Railroad | ||
| Keating and Smethport Railroad | 1899 | 1931 | N/A | Operated by Mount Jewett, Kinzua and Riterville Railroad | ||
| Kendall and Eldred Railroad | 1877 | 1893 | N/A | Operated by Western New York and Pennsylvania Railroad | ||
| Kensington and Tacony Railroad | PRR | 1884 | 1902 | Connecting Railway | ||
| Kersey Railroad | PS&N | 1900 | 1947 | N/A | ||
| Ketner, Elbon and Shawmut Railroad | 1892 | 1893 | Ketner, St. Mary's and Shawmut Railroad | |||
| Ketner and Kay Fork Railway | 1901 | |||||
| Ketner, St. Mary's and Shawmut Railroad | 1893 | |||||
| Keyser Valley Railroad | DL&W | 1865 | 1865 | Delaware, Lackawanna and Western Railroad | ||
| Kinzua Railroad | PRR | 1911 | 1911 | Western New York and Pennsylvania Railway | ||
| Kinzua Railway | PRR | 1881 | 1911 | Kinzua Railroad | ||
| Kinzua Hemlock Railroad | 1890 | 1936 | N/A | Operated by Valley Railroad | ||
| Kinzua and Tiona Railroad | 1897 | |||||
| Kinzua Valley Railroad | PRR | 1889 | 1911 | Kinzua Railroad | ||
| Kishacoquillas Valley Railroad | 1892 | 1940 | N/A | |||
| Kittanning Run Railroad | 1905 | |||||
| Knox and Kane Railroad | KKRR | 1982 | 2006 | N/A | ||
| Kushequa Railroad | B&O | 1898 | 1931 | Mount Jewett, Kinzua and Riterville Railroad | ||
| Lackawanna Railway | LRWY | 1991 | 1993 | Delaware–Lackawanna Railroad | ||
| Lackawanna and Bloomsburg Railroad | DL&W | 1852 | 1873 | Delaware, Lackawanna and Western Railroad | ||
| Lackawanna and Montrose Railroad | DL&W | 1889 | 1928 | Delaware, Lackawanna and Western Railroad | ||
| Lackawanna Valley Railroad | LVAL | 1985 | 1993 | Delaware–Lackawanna Railroad | ||
| Lackawanna and Western Railroad | DL&W | 1851 | 1853 | Delaware, Lackawanna and Western Railroad | ||
| Lackawanna and Wyoming Valley Railroad | L&WV | DL&W | 1901 | 1960 | Lackawanna and Wyoming Valley Railway | Electric until 1953 |
| Lackawanna and Wyoming Valley Railway | L&WV, LWV | DL&W | 1959 | 1976 | Consolidated Rail Corporation | |
| Lackawaxen and Stourbridge Railroad | LASB | 1976 | 1989 | Stourbridge Railroad | ||
| Lake Erie, Franklin and Clarion Railroad | LEF | 1913 | 1992 | N/A | ||
| Lake Ontario Southern Railway | PRR | 1879 | 1882 | Sodus Bay and Southern Railway (NY) | Sold at foreclosure; no property in Pennsylvania | |
| Lake Shore Railway | NYC | 1868 | 1869 | Lake Shore and Michigan Southern Railway | ||
| Lake Shore and Michigan Southern Railway | NYC | 1869 | 1914 | New York Central Railroad | ||
| Lancaster and Northern Railroad | 1906 | Never operated revenue service. | ||||
| Lancaster Northern Railway | LANO | 1995 | 1997 | Penn Eastern Rail Lines | ||
| Lancaster, Oxford and Southern Railroad | 1890 | 1912 | Lancaster, Oxford and Southern Railway | |||
| Lancaster, Oxford and Southern Railway | 1912 | 1918 | N/A | |||
| Lancaster and Quarryville Railroad | PRR | 1904 | 1915 | Pennsylvania Railroad | ||
| Lancaster and Reading Narrow Gauge Railroad | PRR | 1871 | 1904 | Lancaster and Quarryville Railroad | ||
| Latrobe and Ligonier Railroad | 1853 | 1871 | Ligonier Valley Railroad | |||
| Lawrence Railroad | PRR | 1865 | 1887 | Youngstown, Lawrence and Pittsburgh Railroad | ||
| Lawrence Railroad and Transportation Company | PRR | 1864 | 1865 | Lawrence Railroad | ||
| Lebanon Belt Railway | PRR | 1889 | 1891 | Cornwall and Lebanon Railroad | ||
| Lebanon and Tremont Railroad | RDG | 1871 | 1871 | Philadelphia and Reading Railroad | ||
| Lebanon Valley Railroad | RDG | 1850 | 1858 | Philadelphia and Reading Railroad | ||
| Leetonia Railway | 1899 | |||||
| Lehigh and Delaware Railroad | LNE | 1904 | 1904 | Lehigh and New England Railroad | ||
| Lehigh and Delaware Gap Railroad | CNJ | 1857 | 1867 | Lehigh Coal and Navigation Company | ||
| Lehigh and Hudson River Railway | L&HR, LHR | 1889 | 1976 | Consolidated Rail Corporation | ||
| Lehigh and Lackawanna Railroad | LNE | 1864 | 1904 | Lehigh and Delaware Railroad | ||
| Lehigh Luzerne Railroad | LV | 1857 | 1868 | Lehigh Valley Railroad | ||
| Lehigh and Luzerne Railroad | LV | 1856 | 1857 | Lehigh Luzerne Railroad | ||
| Lehigh and Mahanoy Railroad | LV | 1862 | 1866 | Lehigh Valley Railroad | ||
| Lehigh and New England Railroad | LNE | LNE | 1895 | 1961 | Lehigh and New England Railway | |
| Lehigh and New England Railway | LNE | CNJ | 1961 | 1976 | Consolidated Rail Corporation | |
| Lehigh Coal and Navigation Company | CNJ | 1837 | 1978 | Consolidated Rail Corporation | ||
| Lehigh Valley Railroad | LV | LV | 1853 | 1976 | Consolidated Rail Corporation | |
| Lewisburg and Buffalo Valley Railroad | 1897 | 1906 | N/A | |||
| Lewisburg, Centre and Spruce Creek Railroad | PRR | 1853 | 1879 | Lewisburg and Tyrone Railroad | ||
| Lewisburg and Tyrone Railroad | PRR | 1880 | 1913 | Lewisburg and Tyrone Railway | ||
| Lewisburg and Tyrone Railway | PRR | 1913 | 1915 | Pennsylvania Railroad | ||
| Liggett's Gap Railroad | DL&W | 1832 | 1851 | Lackawanna and Western Railroad | ||
| Ligonier Valley Railroad | LGV | 1871 | 1952 | N/A | ||
| Little Saw Mill Run Railroad | P&WV | 1850 | 1897 | West Side Belt Railroad | ||
| Little Schuylkill Navigation, Railroad and Coal Company | RDG | 1829 | 1952 | Reading Company | ||
| Little Schuylkill and Susquehanna Railroad | RDG | 1835 | 1849 | Catawissa, Williamsport and Erie Railroad | ||
| Littlestown Railroad | PRR | 1854 | 1892 | Hanover and York Railroad | ||
| Locust Gap Improvement Company | RDG | 1854 | 1864 | Philadelphia and Reading Railroad | ||
| Lorberry Creek Railroad | RDG | 1843 | 1871 | Lebanon and Tremont Railroad | ||
| Loyalhanna and Youghiogheny Railroad | NYC | 1894 | 1895 | Pittsburgh and Eastern Railroad | ||
| Loyalsock Railroad | LV | 1884 | 1949 | Lehigh Valley Railroad | ||
| Lykens Valley Railroad and Coal Company | PRR | 1830 | 1956 | Penndel Company | ||
| Mahanoy and Broad Mountain Railroad | RDG | 1860 | 1870 | Mahanoy and Shamokin Railroad | ||
| Mahanoy and Shamokin Improvement Company | RDG | 1850 | 1856 | Trevorton Coal and Railroad Company | ||
| Mahanoy and Shamokin Railroad | RDG | 1870 | 1871 | Philadelphia and Reading Railroad | ||
| Mahanoy Valley Railroad | RDG | 1868 | 1870 | Mahanoy and Shamokin Railroad | ||
| Mahoning and Shenango Valley Railway | NYC | 1963 | 1976 | Consolidated Rail Corporation | ||
| Mahoning State Line Railroad | PLE | 1894 | Still exists as a nonoperating subsidiary of CSX Transportation | |||
| Mahoning Valley Railroad | B&O | 1890 | 1967 | Buffalo, Rochester and Pittsburgh Railway | ||
| Main Line of Public Works | PRR | 1828 | 1857 | Pennsylvania Railroad | ||
| Manns Choice and Hyndman Railroad | PRR | 1894 | 1894 | Pennsylvania Midland Railroad | ||
| Manufacturers Railroad | RDG | 1870 | 1873 | Philadelphia and Reading Railroad | ||
| Manufacturers Terminal Railway | ||||||
| Mapleton and Rocky Ridge Railway | 1891 | |||||
| Marginal Railroad | 1880 | 1890 | Pennsylvania Company | |||
| Martins Creek Railroad | PRR | 1885 | 1896 | Belvidere Delaware Railroad | ||
| Maryland Central Railway | 1888 | 1891 | Baltimore and Lehigh Railroad | |||
| Maryland and Pennsylvania Railroad | M&PA, MPA | 1901 | Still exists as a nonoperating subsidiary of the York Railway | |||
| Masontown and New Salem Railroad | MGA | 1899 | 1905 | Connellsville and Monongahela Railway | ||
| Mauch Chunk Railroad | 1826 | 1872 | Continued as a tourist railroad | |||
| McKean and Buffalo Railroad | PRR | 1874 | 1911 | Western New York and Pennsylvania Railway | ||
| McKees Rocks Railroad | 1899 | 1899 | Pittsburgh, Allegheny and McKees Rocks Railroad | |||
| McKeesport and Belle Vernon Railroad | PLE | 1886 | 1890 | Pittsburgh, McKeesport and Youghiogheny Railroad | ||
| McKeesport and Bessemer Railroad | PRR | 1888 | 1894 | Pittsburgh, Virginia and Charleston Railway | ||
| McKeesport Terminal Railroad | 1896 | |||||
| McLaughlin Line Railroad | MCLR | 1985 | N/A | |||
| McLaughlin's and Saw Mill Run Railway | PLE/ PRR | 1881 | 1881 | Pittsburgh, Chartiers and Youghiogheny Railway | ||
| Mead Run Railroad | 1897 | 1931 | N/A | Operated by Mount Jewett, Kinzua and Riterville Railroad | ||
| Meadow Lands and Zediker Railroad | PRR | 1903 | 1907 | Chartiers Railway | ||
| Meadville Railroad | ERIE | 1857 | 1858 | Atlantic and Great Western Railroad | ||
| Meadville Railway | B&LE | 1880 | 1884 | Meadville and Linesville Railway | ||
| Meadville, Conneaut Lake and Linesville Railroad | B&LE | 1891 | 1948 | Bessemer and Lake Erie Railroad | ||
| Meadville and Linesville Railway | B&LE | 1884 | 1891 | Meadville, Conneaut Lake and Linesville Railroad | ||
| Medix Run Railroad | B&O | 1886 | 1905 | Susquehanna and Southern Railroad | ||
| Mercer Valley Railroad | 1900 | |||||
| Mercersburg Railway | MERW | 1978 | 1980 | Consolidated Rail Corporation | ||
| Middle Creek Railroad | PRR | 1865 | 1870 | Sunbury and Lewistown Railroad | ||
| Middletown and Hummelstown Railroad | RDG | 1888 | 1923 | Reading Company | ||
| Midland Pennsylvania Railroad | 1910 | |||||
| Midland Terminal Company | MDLR | 1983 | 2003 | Pennsylvania Southwestern Railroad | ||
| Midway and Oakdale Railway | PRR | 1900 | 1909 | Pittsburgh, Cincinnati, Chicago and St. Louis Railway | ||
| Mifflin and Centre County Railroad | PRR | 1860 | 1896 | Sunbury and Lewistown Railroad | ||
| Mill Creek Railroad | PRR | 1865 | 1865 | Reno, Oil Creek and Pithole Railway | ||
| Mill Creek and Mine Hill Navigation and Railroad Company | RDG | 1828 | 1950 | Reading Company | ||
| Mill Creek Valley Railroad | PS&N | 1899 | 1899 | Pittsburg, Shawmut and Northern Railroad | ||
| Millersburg Railroad | PRR | 1899 | 1903 | Cambria and Clearfield Railway | ||
| Millville and North Mountain Railroad | PRR | 1886 | 1887 | Wilkesbarre and Western Railway | ||
| Milton and North Mountain Railroad | PRR | 1885 | 1887 | Wilkesbarre and Western Railway | ||
| Mine Hill and Schuylkill Haven Railroad | RDG | 1829 | 1951 | Reading Company | ||
| Miramar Iron Company | RDG | 1870 | 1871 | Harrisburg and Potomac Railroad | ||
| Mocanaqua and Eastern Railroad | ||||||
| Monessen Southwestern Railway | 1912 | |||||
| Monongahela Railroad | MGA | 1900 | 1915 | Monongahela Railway | ||
| Monongahela Railway | MGA | MGA | 1915 | 1993 | Consolidated Rail Corporation | |
| Monongahela Connecting Railroad | MGAC, MCRR | 1885 | 2002 | Allegheny Valley Railroad | ||
| Monongahela and Ohio Railroad | MGA | 1912 | 1933 | Monongahela Railway | ||
| Monongahela River and Streets Run Railroad | PRR | 1892 | 1894 | Pittsburgh, Virginia and Charleston Railway | ||
| Monongahela Southern Railroad | 1897 | 1937 | Union Railroad | |||
| Monongahela Valley Railroad | PRR | 1867 | 1870 | Pittsburgh, Virginia and Charleston Railway | ||
| Monongahela and Washington Railroad | PRR | 1899 | 1904 | Pennsylvania Railroad | ||
| Mont Alto Railroad | PRR | 1871 | 1901 | Cumberland Valley and Waynesboro Railroad | ||
| Montour Railroad | M, MTR | MTR | 1877 | 1983 | N/A | |
| Montrose Railroad | LV | 1905 | 1949 | Lehigh Valley Railroad | ||
| Montrose Railway | LV | 1869 | 1905 | Montrose Railroad | ||
| Moosic Mountain and Carbondale Railroad | ERIE | 1887 | 1941 | Erie Railroad | ||
| Morgantown and Wheeling Railway | M&W | MGA | 1917 | 1923 | Scotts Run Railway | |
| Moshannon Railroad | PRR | 1863 | 1881 | Bald Eagle Valley Railroad | ||
| Moshannon and Clearfield Railroad | PRR | 1880 | 1884 | Tyrone and Clearfield Railway | ||
| Mount Carmel Railroad | RDG | 1907 | 1952 | N/A | ||
| Mount Carmel and Natalie Railroad | RDG | 1891 | 1906 | Mount Carmel Railroad | ||
| Mount Carbon Railroad | RDG | 1829 | 1872 | Philadelphia and Reading Railroad | ||
| Mount Carbon and Port Carbon Railroad | RDG | 1842 | 1949 | Reading Company | ||
| Mount Eagle and Tremont Railroad | RDG | 1853 | 1862 | Mine Hill and Schuylkill Haven Railroad | ||
| Mount Jewett, Clermont and Northern Railroad | PS&N | 1897 | 1899 | Pittsburg, Shawmut and Northern Railroad | ||
| Mount Jewett, Kinzua and Riterville Railroad | B&O | 1889 | 1942 | N/A | ||
| Mount Jewett and Smethport Railroad | PS&N | 1892 | 1897 | Mount Jewett, Clermont and Northern Railroad | ||
| Mount Penn Gravity Railroad | 1889 | |||||
| Mount Pleasant and Broad Ford Railroad | B&O | 1870 | 1912 | Baltimore and Ohio Railroad in Pennsylvania | ||
| Mount Pleasant and Latrobe Railroad | 1881 | |||||
| Mountain Laurel Railroad | MNL | 1991 | 1996 | Pittsburg and Shawmut Railroad | ||
| Muncy Creek Railway | 1864 | 1882 | Williamsport and North Branch Railroad | |||
| Nanticoke Railroad | CNJ | 1860 | 1867 | Lehigh Coal and Navigation Company | ||
| Nazareth and Lehigh Railway | DL&W | 1899 | 1899 | Bangor and Portland Railway | ||
| Nescopec Railroad | PRR | 1886 | 1900 | Schuylkill and Juniata Railroad | ||
| Nesquehoning Valley Railroad | CNJ | 1861 | 1963 | Lehigh Coal and Navigation Company | ||
| New Berlin and Winfield Railroad | 1904 | 1916 | N/A | |||
| New Brighton and New Castle Railroad | PRR | 1881 | 1887 | Youngstown, Lawrence and Pittsburgh Railroad | ||
| New Castle and Beaver Valley Railroad | PRR | 1862 | 1906 | Pittsburgh, Youngstown and Ashtabula Railway | ||
| New Castle and Butler Railroad | 1881 | |||||
| New Castle and Darlington Railroad | PRR | 1856 | 1857 | Pittsburgh, New Castle and Cleveland Railroad | ||
| New Castle and Franklin Railroad | PRR | 1864 | 1881 | New Castle and Oil City Railroad | ||
| New Castle and Oil City Railroad | PRR | 1881 | 1882 | Oil City and Chicago Railroad | ||
| New Castle, Plain Grove and Butler Railroad | 1882 | 1882 | Oil City and Chicago Railroad | |||
| New Castle Northern Railway | ERIE | 1883 | 1887 | New Castle and Shenango Valley Railroad | ||
| New Castle and Shenango Valley Railroad | ERIE | 1887 | 1900 | Sharon Railway | ||
| New Haven and Dunbar Railroad | 1892 | 1955 | N/A | |||
| New Park and Fawn Grove Railroad | 1905 | 1935 | N/A | Operated by Stewartstown Railroad | ||
| New York Central Railroad | NYC | NYC | 1914 | 1968 | Penn Central Transportation Company | |
| New York Central and Hudson River Railroad | NYC | 1890 | 1914 | New York Central Railroad | ||
| New York, Chicago and St. Louis Railroad | NKP | NKP | 1887 | 1964 | Norfolk and Western Railway | |
| New York, Chicago and St. Louis Railway | NKP | 1881 | 1887 | Erie and State Line Railroad | ||
| New York and Erie Railroad | ERIE | 1841 | 1861 | Erie Railway | ||
| New York, Lackawanna and Western Railway | DL&W | 1880 | 1945 | Delaware, Lackawanna and Western Railroad | ||
| New York, Lake Erie and Western Railroad | ERIE | 1878 | 1895 | Erie Railroad | ||
| New York, Lake Erie and Western Coal and Railroad Company | ERIE | 1881 | 1941 | Erie Railroad | ||
| New York and North Pennsylvania Railroad | B&O | 1883 | 1898 | Galeton and Eastern Railroad | ||
| New York, Ontario and Western Railway | O&W, OW | O&W | 1890 | 1957 | N/A | |
| New York and Pennsylvania Railroad | 1896 | 1902 | New York and Pennsylvania Railway | |||
| New York and Pennsylvania Railway | 1904 | 1935 | N/A | |||
| New York, Pennsylvania and Ohio Railroad | ERIE | 1880 | 1896 | Nypano Railroad | ||
| New York and Pittsburgh Air Line Railroad | 1906 | 1907 | Philipsburg Railroad | |||
| New York and Pittsburg Central Railroad | 1903 | 1906 | N/A | Leased the Altoona and Philipsburg Connecting Railroad | ||
| New York, Pittsburgh and Chicago Railway | PLE/ PRR | 1881 | 1885 | Wampum and State Line Railway | ||
| New York Short Line Railroad | RDG | 1903 | 1923 | Reading Company | ||
| New York, Susquehanna and Western Railroad | S&W, NYSW | ERIE | 1881 | 1958 | N/A | |
| Newport and Shermans Valley Railroad | 1890 | 1920 | Susquehanna River and Western Railroad | |||
| Nicholson Run and Pine Swamp Railroad and Coal Company | PRR | 1853 | 1856 | New Castle and Darlington Railroad | ||
| Nittany Valley Railroad | 1887 | 1914 | N/A | |||
| Nittany Valley and Southwestern Railroad | 1882 | 1882 | Buffalo Run, Bellefonte and Bald Eagle Railroad | |||
| Norfolk and Western Railway | N&W, NW | 1964 | 1998 | Norfolk Southern Railway | ||
| Norristown and Allentown Railroad | RDG | 1854 | 1865 | Perkiomen Railroad | ||
| Norristown and Freemansburg Railroad | RDG | 1852 | 1854 | Norristown and Allentown Railroad | ||
| Norristown Junction Railroad | RDG | 1879 | 1923 | Reading Company | ||
| Norristown and Main Line Connecting Railroad | RDG | 1901 | 1923 | Reading Company | ||
| Norristown and Valley Railroad | RDG | 1835 | 1850 | Chester Valley Railroad | ||
| North Bend and Kettle Creek Railroad | 1893 | |||||
| North Fayette Railroad | MTR | 1879 | 1879 | Montour Railroad | ||
| North Lebanon Railroad | RDG | 1850 | 1870 | Cornwall Railroad | ||
| North Pennsylvania Railroad | RDG | 1853 | 1976 | Consolidated Rail Corporation | ||
| North Shore Railroad | 1908 | |||||
| North Shore Terminal Railroad | 1898 | 1899 | Pittsburgh, Allegheny and McKees Rocks Railroad | |||
| North Star and Mifflin Railroad | MTR | 1912 | 1913 | Montour Railroad | ||
| North and West Branch Railroad | PRR | 1871 | 1881 | North and West Branch Railway | ||
| North and West Branch Railway | PRR | 1881 | 1900 | Schuylkill and Juniata Railroad | ||
| Northampton Railroad | LNE | 1901 | 1903 | Lehigh and New England Railroad | ||
| Northampton and Bath Railroad | NB | 1902 | 1979 | N/A | ||
| North East Pennsylvania Railroad | RDG | 1870 | 1945 | Reading Company | ||
| Northern Central Railway | PRR | 1854 | 1976 | Consolidated Rail Corporation | ||
| Northern Coal and Iron Company | D&H | 1864 | ||||
| Northern Liberties Railway | 1896 | |||||
| Northern Liberties and Penn Township Railroad | RDG | 1829 | 1871 | Philadelphia and Reading Railroad | ||
| Northern Railroad and Navigation Company | 1867 | 1873 | Rochester, Nunda and Pennsylvania Railroad | |||
| Northern Susquehanna Railroad | B&O | 1900 | 1901 | Buffalo and Susquehanna Railroad | ||
| North Western Railroad | PRR | 1853 | 1859 | Western Pennsylvania Railroad | ||
| North Western Coal and Iron Company | DL&W | 1856 | 1856 | Buffalo Coal and Iron Company | ||
| Northwestern Pennsylvania Railway | PRR | 1895 | 1895 | Western New York and Pennsylvania Railway | ||
| Nypano Railroad | ERIE | 1896 | 1941 | Erie Railroad | ||
| Octoraro Railroad | OCTR | 2003 | 2004 | East Penn Railways | ||
| Octoraro Railway | OCTR | 1977 | 1994 | Delaware Valley Railway | ||
| Ohio and Baltimore Short Line Railway | B&O | 1873 | 1912 | Baltimore and Ohio Railroad in Pennsylvania | ||
| Ohio Connecting Railway | PRR | 1886 | 1954 | Penndel Company | ||
| Ohio and Pennsylvania Railroad | OHPA | 2004 | 2006 | Eastern States Railroad | ||
| Ohio and Pennsylvania Railroad | OHPA | 1995 | 1996 | Central Columbiana and Pennsylvania Railway | ||
| Ohio and Pennsylvania Railroad | PRR | 1848 | 1856 | Pittsburgh, Fort Wayne and Chicago Railroad | ||
| Ohio River Junction Railroad | 1908 | 1908 | North Shore Railroad | |||
| Ohio River and Lake Erie Railroad | B&LE | 1881 | 1886 | Erie, Shenango and Pittsburgh Railway | ||
| Oil City and Chicago Railroad | PRR | 1882 | 1882 | Buffalo, New York and Philadelphia Railroad | ||
| Oil Creek Railroad | PRR | 1860 | 1868 | Oil Creek and Allegheny River Railway | ||
| Oil Creek and Allegheny River Railway | PRR | 1868 | 1875 | Pittsburgh, Titusville and Buffalo Railway | ||
| Oil Creek Junction Railroad | NYC | 1870 | 1871 | Junction Railroad | ||
| Oil Creek and Titusville Mining and Transportation Company | PRR | 1865 | 1866 | Union and Titusville Railroad | ||
| Olean, Bradford and Warren Railway | PRR | 1877 | 1911 | Bradford Railroad | ||
| Olean, Oswayo and Eastern Railroad | 1892 | 1896 | New York and Pennsylvania Railroad | |||
| Oleona Railroad | 1901 | |||||
| Oleona and Germania Railroad | 1902 | |||||
| Ontario, Carbondale and Scranton Railway | O&W | 1889 | 1957 | N/A | ||
| Orangeville and Lehigh Railroad | PRR | 1892 | 1893 | Central Pennsylvania and Western Railroad | ||
| Oswayo Valley Railroad | 1918 | 1920 | New York and Pennsylvania Railway | |||
| Pan Handle Railway | PRR | 1861 | 1868 | Pittsburgh, Cincinnati and St. Louis Railway | ||
| Panther Creek Railroad | LNE | 1913 | 1913 | Lehigh and New England Railroad | ||
| Panther Valley Railroad | PVAL | 1983 | 1990 | C&S Railroad | ||
| Parker and Karns City Railroad | B&O | 1873 | 1881 | Pittsburgh and Western Railroad | ||
| Path Valley Railroad | 1893 | 1900 | Perry Lumber Company | |||
| Peach Bottom Railroad | 1881 | 1890 | Lancaster, Oxford and Southern Railroad | |||
| Peach Bottom Railway | 1868 | 1881 | Peach Bottom Railroad, York and Peach Bottom Railway | |||
| Pencoyd and Philadelphia Railroad | 1899 | 1929 | N/A | Owned by the American Bridge Company | ||
| Penn Central Transportation Company | PC | 1968 | 1976 | Consolidated Rail Corporation | ||
| Penn Eastern Rail Lines | PRL | 1997 | 2007 | East Penn Railroad | ||
| Penn Jersey Rail Lines | PJRL | 1997 | 2002 | SMS Rail Service, Inc. | ||
| Penn Haven and White Haven Railroad | LV | 1857 | 1864 | Lehigh Valley Railroad | ||
| Penndel Company | PRR | 1954 | 1976 | Consolidated Rail Corporation | ||
| Pennsylvania Company | PRR | 1871 | 1918 | Pennsylvania Railroad | ||
| Pennsylvania Railroad | PRR | PRR | 1846 | 1968 | Penn Central Transportation Company | |
| Pennsylvania and Delaware Railroad | PRR | 1870 | 1873 | Pennsylvania and Delaware Railway | ||
| Pennsylvania and Delaware Railway | PRR | 1873 | 1879 | Pomeroy and State Line Railroad | ||
| Pennsylvania Midland Railroad | PRR | 1894 | 1902 | Bedford and Hollidaysburg Railroad | ||
| Pennsylvania Midland Railway | ERIE | 1881 | 1881 | New York, Susquehanna and Western Railroad | ||
| Pennsylvania, Monongahela and Southern Railroad | PRR | 1902 | 1915 | Pennsylvania Railroad | ||
| Pennsylvania and New Jersey Railroad | PRR | 1894 | 1896 | Delaware River Railroad and Bridge Company | ||
| Pennsylvania and New York Canal and Railroad Company | LV | 1865 | 1949 | Lehigh Valley Railroad | ||
| Pennsylvania Northern Railroad | 1911 | 1913 | Lake Erie, Franklin and Clarion Railroad | |||
| Pennsylvania and North Western Railroad | PRR | 1889 | 1903 | Cambria and Clearfield Railway | ||
| Pennsylvania, Poughkeepsie and Boston Railroad | LNE | 1887 | 1895 | Lehigh and New England Railroad | ||
| Pennsylvania Schuylkill Valley Railroad | PRR | 1883 | 1900 | Schuylkill and Juniata Railroad | ||
| Pennsylvania, Slatington and New England Railroad | LNE | 1882 | 1887 | Pennsylvania, Poughkeepsie and Boston Railroad | ||
| Pennsylvania Southern Railroad | 1910 | 1913 | Lake Erie, Franklin and Clarion Railroad | |||
| Pennsylvania and West Virginia Railroad | PRR | 1889 | 1893 | Bedford and Blair County Railroad | ||
| Pennsylvania Western and Ohio River Connecting Railway | 1901 | |||||
| Pequea Railroad and Improvement Company | RDG | 1849 | 1851 | Dauphin and Susquehanna Coal Company | ||
| Perkiomen Railroad | RDG | 1865 | 1945 | Reading Company | ||
| Perry County Railroad | 1887 | 1903 | Susquehanna River and Western Railroad | |||
| Perry Lumber Company Railroad | 1901 | 1905 | ||||
| Philadelphia and Baltimore Central Railroad | PRR | 1853 | 1916 | Philadelphia, Baltimore and Washington Railroad | ||
| Philadelphia and Columbia Railroad | PRR | 1834 | 1857 | Pennsylvania Railroad | ||
| Philadelphia, Baltimore and Washington Railroad | PRR | 1902 | 1976 | Consolidated Rail Corporation | ||
| Philadelphia, Bethlehem and New England Railroad | PBNE | 1910 | 2003 | Lehigh Valley Rail Management | Owned by Bethlehem Steel | |
| Philadelphia and Bustleton Railway | PRR | 1892 | 1893 | Philadelphia, Bustleton and Trenton Railroad | ||
| Philadelphia, Bustleton and Trenton Railroad | PRR | 1893 | 1902 | Connecting Railway | ||
| Philadelphia and Chester County Railroad | PRR | 1872 | 1885 | Philadelphia Midland Railroad | ||
| Philadelphia and Chester Valley Railroad | RDG | 1888 | 1945 | Reading Company | ||
| Philadelphia, Delaware and Chester Central Railroad | PRR | 1871 | 1872 | Philadelphia and Chester County Railroad | ||
| Philadelphia and Delaware County Railroad | PRR | 1890 | 1913 | Philadelphia and Baltimore Central Railroad | ||
| Philadelphia and Delaware County Railroad | PRR | 1831 | 1836 | Philadelphia, Wilmington and Baltimore Railroad | ||
| Philadelphia, Easton and Water Gap Railroad | RDG | 1852 | 1853 | North Pennsylvania Railroad | ||
| Philadelphia and Erie Railroad | PRR | 1861 | 1907 | Pennsylvania Railroad | ||
| Philadelphia and Frankford Railroad | RDG | 1892 | 1923 | Reading Company | ||
| Philadelphia, Germantown and Chestnut Hill Railroad | PRR | 1883 | 1902 | Connecting Railway | ||
| Philadelphia, Germantown and Norristown Railroad | RDG | 1831 | 1976 | Consolidated Rail Corporation | ||
| Philadelphia, Harrisburg and Pittsburgh Railroad | RDG | 1890 | 1923 | Reading Company | ||
| Philadelphia Midland Railroad | PRR | 1885 | 1890 | Philadelphia and Delaware County Railroad | ||
| Philadelphia and Montgomery County Railroad | RDG | 1860 | 1872 | Philadelphia and Newtown Railroad | ||
| Philadelphia and Newtown Railroad | RDG | 1872 | 1873 | Philadelphia, Newtown and New York Railroad | ||
| Philadelphia and Newtown Connecting Railroad | RDG | 1892 | 1892 | Philadelphia, Newtown and New York Railroad | ||
| Philadelphia, Newtown and New York Railroad | RDG | 1873 | 1945 | Reading Company | ||
| Philadelphia, Newtown Square and Chester Railroad | B&O | 1886 | 1886 | Schuylkill River East Side Railroad | ||
| Philadelphia, Norristown and Phoenixville Railroad | PRR | 1882 | 1883 | Pennsylvania Schuylkill Valley Railroad | ||
| Philadelphia and Pittsburgh Railroad | NYC | 1893 | 1895 | Pittsburgh and Eastern Railroad | ||
| Philadelphia and Reading Railroad | RDG | 1833 | 1896 | Philadelphia and Reading Railway | ||
| Philadelphia and Reading Railway | P&R | RDG | 1896 | 1924 | Reading Company | |
| Philadelphia and Reading Terminal Railroad | RDG | 1888 | 1944 | Reading Company | ||
| Philadelphia and Sunbury Railroad | PRR | 1851 | 1858 | Shamokin Valley and Pottsville Railroad | ||
| Philadelphia and Trenton Railroad | PRR | 1832 | 1976 | Consolidated Rail Corporation | ||
| Philadelphia, Wilmington and Baltimore Railroad | PRR | 1836 | 1902 | Philadelphia, Baltimore and Washington Railroad | ||
| Philipsburg Railroad | 1907 | 1909 | Philipsburg and Susquehanna Valley Railroad | |||
| Philipsburg Coal, Iron and Oil Company | PRR | 1865 | 1867 | Tyrone and Clearfield Railway | ||
| Philipsburg and Susquehanna Valley Railroad | 1909 | 1910 | Pittsburgh and Susquehanna Railroad | |||
| Phoenixville, Pottstown and Reading Railroad | PRR | 1882 | 1883 | Pennsylvania Schuylkill Valley Railroad | ||
| Phoenixville and West Chester Railroad | PRR | 1882 | 1883 | Pennsylvania Schuylkill Valley Railroad | ||
| Pickering Valley Railroad | RDG | 1869 | 1948 | Reading Company | ||
| Pine Creek Railway | NYC | 1884 | 1909 | Geneva, Corning and Southern Railroad | ||
| Pine Grove and Lebanon Railroad | RDG | 1868 | 1871 | Lebanon and Tremont Railroad | ||
| Pine Run Railroad | PRR | 1906 | 1912 | Cambria and Clearfield Railway | ||
| Pittsburgh Railroad | B&O | 1879 | 1879 | Pittsburgh Southern Railway | ||
| Pittsburgh and Allegheny Railroad | 1899 | 1899 | Pittsburgh, Allegheny and McKees Rocks Railroad | |||
| Pittsburgh and Allegheny River Railroad | 1898 | |||||
| Pittsburgh and Beck's Run Railroad | PLE | 1877 | 1880 | Pittsburgh and Lake Erie Railroad | ||
| Pittsburg, Bessemer and Lake Erie Railroad | B&LE | 1897 | 1948 | Bessemer and Lake Erie Railroad | ||
| Pittsburgh, Bradford and Buffalo Railway | B&O | 1881 | 1883 | Pittsburgh and Western Railroad | ||
| Pittsburgh, Butler and Shenango Railroad | B&LE | 1889 | 1890 | Pittsburgh, Shenango and Lake Erie Railroad | ||
| Pittsburgh and Carnegie Railroad | P&WV | 1901 | 1901 | Pittsburgh, Carnegie and Western Railroad | ||
| Pittsburgh, Carnegie and Western Railroad | P&WV | 1901 | 1904 | Wabash Pittsburgh Terminal Railway | ||
| Pittsburgh and Castle Shannon Railroad | 1871 | 1909 | N/A | |||
| Pittsburgh, Castle Shannon and Washington Railroad | B&O | 1877 | 1878 | Pittsburgh Southern Railroad | ||
| Pittsburgh, Chartiers and Youghiogheny Railway | PCY | PLE/ PRR | 1881 | 1996 | Pittsburgh Industrial Railroad | |
| Pittsburgh and Chicago Railway | B&O, PLE/ PRR | 1878 | 1881 | New York, Pittsburgh and Chicago Railway, Pittsburgh and Western Railroad | ||
| Pittsburgh, Cincinnati and St. Louis Railway | PRR | 1868 | 1890 | Pittsburgh, Cincinnati, Chicago and St. Louis Railway | ||
| Pittsburgh, Cincinnati, Chicago and St. Louis Railroad | PRR | 1917 | 1956 | Philadelphia, Baltimore and Washington Railroad | ||
| Pittsburgh, Cincinnati, Chicago and St. Louis Railway | PRR | 1890 | 1917 | Pittsburgh, Cincinnati, Chicago and St. Louis Railroad | ||
| Pittsburgh, Clarion and Franklin Railroad | 1912 | 1913 | Lake Erie, Franklin and Clarion Railroad | |||
| Pittsburg, Cleveland and Toledo Railroad | B&O | 1882 | 1915 | Pittsburgh and Western Railroad | ||
| Pittsburgh and Connellsville Railroad | B&O | 1837 | 1912 | Baltimore and Ohio Railroad in Pennsylvania | ||
| Pittsburgh East and West Railroad | B&O | 1881 | 1881 | Pittsburgh and Western Railroad | ||
| Pittsburgh and Eastern Railroad | NYC | 1894 | 1905 | Beech Creek Extension Railroad | ||
| Pittsburgh and Erie Railroad | ERIE, PRR | 1846 | 1857 | Erie and Pittsburgh Railroad, Meadville Railroad | ||
| Pittsburgh, Fort Wayne and Chicago Railroad | PRR | 1856 | 1861 | Pittsburgh, Fort Wayne and Chicago Railway | ||
| Pittsburgh, Fort Wayne and Chicago Railway | PRR | 1860 | 1976 | Consolidated Rail Corporation | ||
| Pittsburgh Industrial Railroad | PIR | 1996 | 2001 | Pittsburgh and Ohio Central Railroad | ||
| Pittsburgh, Johnstown, Ebensburg and Eastern Railroad | 1897 | 1903 | New York and Pittsburg Central Railroad | |||
| Pittsburgh Junction Railroad | B&O | 1881 | 1943 | Pittsburgh and Western Railroad | ||
| Pittsburg, Kittanning and Warren Railroad | PRR | 1837 | 1852 | Allegheny Valley Railroad | ||
| Pittsburgh and Lake Erie Railroad | PLE | PLE | 1875 | 1992 | Three Rivers Railway | |
| Pittsburgh, Lisbon and Western Railroad | PL&W, PLW | PLE/ PRR | 1902 | 1945 | Youngstown and Southern Railway | |
| Pittsburgh, Lisbon and Western Railway | PLE/ PRR | 1896 | 1902 | Pittsburgh, Lisbon and Western Railroad | ||
| Pittsburgh Local Railroad | B&O | 1880 | 1881 | Pittsburgh Junction Railroad | ||
| Pittsburgh and Mansfield Railroad | P&WV | 1893 | 1901 | Pittsburgh, Carnegie and Western Railroad | ||
| Pittsburgh, Marion and Chicago Railway | PLE/ PRR | 1886 | 1896 | Pittsburgh, Lisbon and Western Railway | ||
| Pittsburgh, McKeesport and Youghiogheny Railroad | PLE | 1881 | 1965 | Pittsburgh and Lake Erie Railroad | ||
| Pittsburgh and Moon Run Railroad | MTR | 1891 | 1913 | Montour Railroad | ||
| Pittsburgh, New Castle and Cleveland Railroad | PRR | 1857 | 1861 | New Castle and Beaver Valley Railroad | ||
| Pittsburgh, New Castle and Lake Erie Railroad | B&O | 1877 | 1881 | Pittsburgh and Western Railroad | ||
| Pittsburgh and Northeastern Railroad | ||||||
| Pittsburgh and Northeastern Terminal Railroad | 1916 | Pittsburgh and Northern Terminal Railroad | ||||
| Pittsburgh and Northern Railroad | 1881 | |||||
| Pittsburgh and Northern Terminal Railroad | 1916 | |||||
| Pittsburgh and Northwestern Railroad | B&O | 1875 | 1877 | Pittsburgh, New Castle and Lake Erie Railroad | ||
| Pittsburgh and Ohio Valley Railway | P&OV, POV | 1899 | 1993 | Three Rivers Railway | ||
| Pittsburg and Shawmut Railroad | PS, PSR | PS&N | 1909 | Still exists as a nonoperating subsidiary of the Buffalo and Pittsburgh Railroad | ||
| Pittsburg, Shawmut and Northern Railroad | PS&N | 1899 | 1947 | N/A | ||
| Pittsburgh, Shenango and Lake Erie Railroad | B&LE | 1888 | 1897 | Pittsburg, Bessemer and Lake Erie Railroad | ||
| Pittsburgh Southern Railroad | B&O | 1878 | 1879 | Pittsburgh Southern Railway | ||
| Pittsburgh Southern Railway | B&O | 1879 | 1884 | Baltimore and Ohio Short Line Railroad | ||
| Pittsburgh and State Line Railroad | B&O | 1885 | 1887 | Buffalo, Rochester and Pittsburgh Railway | ||
| Pittsburg and Steubenville Railroad | PRR | 1849 | 1867 | Pan Handle Railway | ||
| Pittsburgh, Summerville and Clarion Railroad | 1903 | 1912 | Pittsburgh, Clarion and Franklin Railroad | |||
| Pittsburgh and Susquehanna Railroad | 1910 | 1931 | N/A | |||
| Pittsburgh, Titusville and Buffalo Railway | PRR | 1876 | 1881 | Buffalo, Pittsburgh and Western Railroad | ||
| Pittsburgh, Virginia and Charleston Railway | PRR | 1870 | 1905 | Pennsylvania Railroad | ||
| Pittsburgh, Washington and Baltimore Railroad[3] | ||||||
| Pittsburgh and West Virginia Railroad | 1967 | Still exists as a lessor of the Wheeling and Lake Erie Railway | ||||
| Pittsburgh and West Virginia Railway | P&WV | P&WV | 1916 | 1967 | Pittsburgh and West Virginia Railroad | |
| Pittsburgh and Western Railroad | B&O | 1902 | ||||
| Pittsburgh and Western Railroad | B&O | 1879 | 1887 | Pittsburgh and Western Railway | ||
| Pittsburgh and Western Railway | B&O | 1887 | 1902 | Pittsburgh and Western Railroad | ||
| Pittsburgh, Westmoreland and Somerset Railroad | 1899 | 1916 | N/A | |||
| Pittsburgh and Whitehall Railroad | PRR | 1882 | 1888 | Pittsburgh, Virginia and Charleston Railway | ||
| Pittsburgh, Youngstown and Ashtabula Railroad | PRR | 1887 | 1906 | Pittsburgh, Youngstown and Ashtabula Railway | ||
| Pittsburgh, Youngstown and Ashtabula Railway | PRR | 1906 | 1976 | Consolidated Rail Corporation | ||
| Pittsburg, Youngstown and Chicago Railroad | B&O | 1880 | 1882 | Pittsburg, Cleveland and Toledo Railroad | ||
| Plumville Railroad | B&O | 1905 | 1907 | Buffalo and Susquehanna Railroad | ||
| PL&W Railroad | PLW | 1993 | 1995 | Ohio and Pennsylvania Railroad | ||
| Plymouth Railroad | RDG | 1836 | 1976 | Consolidated Rail Corporation | ||
| Plymouth and Wilkes-Barre Road and Bridge Company | D&H | 1859 | 1873 | Northern Coal and Iron Company | ||
| Pocono Northeast Railway | PNER | 1982 | 1993 | Luzerne and Susquehanna Railway | ||
| Pomeroy and Newark Railroad | PRR | 1881 | 1917 | Philadelphia, Baltimore and Washington Railroad | ||
| Pomeroy and State Line Railroad | PRR | 1880 | 1881 | Pomeroy and Newark Railroad | ||
| Port Kennedy Railroad | RDG | 1860 | 1872 | Philadelphia and Reading Railroad | ||
| Portland and Northern Railway | 1901 | |||||
| Portsmouth and Lancaster Railroad | PRR | 1832 | 1835 | Harrisburg, Portsmouth, Mountjoy and Lancaster Railroad | ||
| Potato Creek Railroad | 1907 | 1927 | N/A | |||
| Pottsville and Mahanoy Railroad | PRR | 1883 | 1886 | Pennsylvania Schuylkill Valley Railroad | ||
| Pottsville and New York Railroad | LV | 1882 | 1887 | Schuylkill and Lehigh Valley Railroad | ||
| Quakertown and Bethlehem Railroad | 1916 | 1937 | N/A | |||
| Quakertown and Delaware River Railroad | 1911 | 1916 | Quakertown and Bethlehem Railroad | |||
| Quakertown and Eastern Railroad | 1896 | 1911 | Quakertown and Delaware River Railroad | |||
| Quemahoning Branch Railroad | 1901 | |||||
| Railroad Ventures, Inc. | 1996 | 2001 | Columbiana County Port Authority | |||
| Reading Company | RDG | RDG | 1924 | 1976 | Consolidated Rail Corporation | |
| Reading Belt Railroad | RDG | 1900 | 1923 | Reading Company | ||
| Reading and Columbia Railroad | RDG | 1859 | 1945 | Reading Company | ||
| Reading and Lehigh Railroad | RDG | 1875 | 1879 | Schuylkill and Lehigh Railroad | ||
| Reading and Lehigh Railroad | RDG | 1856 | 1857 | East Pennsylvania Railroad | ||
| Reading, Marietta and Hanover Railroad | RDG | 1882 | 1930 | N/A | ||
| Reading and Pottsville Railroad | PRR | 1884 | 1885 | Pennsylvania Schuylkill Valley Railroad | ||
| Red Bank Railroad | RBKX | 1990 | 1996 | Pittsburg and Shawmut Railroad | ||
| Red Bank and Youngstown Railroad | B&O | 1881 | 1882 | Pittsburgh and Western Railroad | ||
| Redstone Central Railroad | MGA | 1902 | N/A | |||
| Reno, Oil Creek and Pithole Railway | PRR | 1865 | 1867 | Oil Creek and Allegheny River Railway | ||
| Reynoldsville and Falls Creek Railroad | 1883 | 1934 | N/A | |||
| Ridgway and Clearfield Railroad | PRR | 1882 | 1911 | Pennsylvania Railroad | ||
| River Front Railroad | PRR | 1876 | 1903 | Pennsylvania Railroad | ||
| Rochester, Beaver Falls and Western Railway | PRR | 1889 | 1890 | Pennsylvania Company | ||
| Rochester, Nunda and Pennsylvania Railroad | 1873 | 1877 | Sold at foreclosure; no property in Pennsylvania | |||
| Rochester and Pittsburgh Railroad | B&O | 1881 | 1885 | Pittsburgh and State Line Railroad | ||
| Rockwood and Bakersville Railway | B&O | 1907 | 1911 | Indian Creek Valley Railway | ||
| Rocky Ridge Railroad | 1907 | 1913 | East Broad Top Railroad and Coal Company | |||
| Rogers Railroad | 1902 | |||||
| Rupert and Bloomsburg Railroad | RDG | 1888 | 1923 | Reading Company | ||
| Rural Valley Railroad | B&O | 1900 | 1925 | Allegheny and Western Railway | ||
| St. Clair Terminal Railroad | 1901 | 1937 | Union Railroad | |||
| St. Marys and Western Railroad | 1904 | |||||
| St. Marys and Southwestern Railroad | PS&N | 1893 | 1897 | Buffalo, St. Marys and Southwestern Railroad | ||
| Salamanca, Bradford and Allegheny River Railroad | PRR | 1880 | 1881 | Buffalo, Pittsburgh and Western Railroad | ||
| Salisbury Railroad | B&O | 1875 | 1912 | Baltimore and Ohio Railroad in Pennsylvania | ||
| Salisbury and Baltimore Railroad and Coal Company | B&O | 1871 | 1875 | Salisbury Railroad | ||
| Scalp Level Railroad | PRR | 1897 | 1902 | South Fork Railroad | ||
| Schuylkill East Branch Navigation Company | RDG | 1828 | 1829 | Little Schuylkill Navigation, Railroad and Coal Company | ||
| Schuylkill Haven and Lehigh River Railroad | RDG | 1862 | 1863 | Mine Hill and Schuylkill Haven Railroad | ||
| Schuylkill and Juniata Railroad | PRR | 1900 | 1902 | Pennsylvania Railroad | ||
| Schuylkill and Lehigh Railroad | RDG | 1880 | 1923 | Reading Company | ||
| Schuylkill and Lehigh Valley Railroad | LV | 1886 | 1949 | Lehigh Valley Railroad | ||
| Schuylkill River East Side Railroad | B&O | 1883 | ||||
| Schuylkill and Susquehanna Railroad | RDG | 1859 | 1872 | Philadelphia and Reading Railroad | ||
| Schuylkill Valley Navigation Company | RDG | 1828 | 1829 | Schuylkill Valley Navigation and Railroad Company | ||
| Schuylkill Valley Navigation and Railroad Company | RDG | 1829 | 1950 | Reading Company | ||
| Scootac Railway | 1901 | |||||
| Scotland and Mont Alto Railroad | PRR | 1864 | 1871 | Mont Alto Railroad | ||
| Scottdale Connecting Railroad | 1897 | |||||
| Scotts Run Railway | MGA | 1923 | 1933 | Monongahela Railway | ||
| Scranton and Forest City Railroad | O&W | 1886 | 1889 | Ontario, Carbondale and Scranton Railway | ||
| Scranton and Spring Brook Railroad | 1897 | |||||
| Shade Gap Railroad | 1884 | 1913 | East Broad Top Railroad and Coal Company | |||
| Shamokin, Sunbury and Lewisburg Railroad | RDG | 1882 | 1923 | Reading Company | ||
| Shamokin and Trevorton Railroad | RDG | 1868 | 1870 | Mahanoy and Shamokin Railroad | ||
| Shamokin Valley and Pottsville Railroad | PRR | 1858 | 1976 | Consolidated Rail Corporation | ||
| Sharon Railway | ERIE | 1873 | 1953 | Erie Railroad | ||
| Sharon and Ceres Railroad | 1901 | 1904 | New York and Pennsylvania Railway | |||
| Sharon Connecting Railroad | ||||||
| Sharpsville Railroad | PRR | 1876 | 1931 | Erie and Pittsburgh Railroad, Western New York and Pennsylvania Railway | ||
| Sharpsville and Oakland Railroad | PRR | 1866 | 1876 | Sharpsville Railroad | ||
| Sharpsville, Wheatland, Sharon and Greenfield Railroad | ERIE | 1870 | 1875 | Sharon Railway | ||
| Shawmut Connecting Railroad | PS&N | 1900 | 1905 | Pittsburg, Shawmut and Northern Railroad | ||
| Sheffield and Spring Creek Railroad | 1884 | 1894 | Tionesta Valley Railway | |||
| Sheffield and Tionesta Railway | S&T | 1900 | 1943 | N/A | ||
| Shenango and Allegheny Railroad | B&LE | 1867 | 1888 | Pittsburgh, Shenango and Lake Erie Railroad | ||
| Shenango and Beaver Valley Railway | PLE/ PRR | 1902 | 1902 | Pittsburgh, Lisbon and Western Railroad | ||
| Shenango Valley Railroad | NYC | 1886 | 1963 | Mahoning and Shenango Valley Railway | ||
| Sinnemahoning Portage Railroad | PRR | 1865 | 1866 | Buffalo and Washington Railway | ||
| Sinnemahoning Valley Railroad | B&O | 1885 | 1893 | Buffalo and Susquehanna Railroad | ||
| Slackwater Connecting Railroad | 1892 | |||||
| Slate Ridge and Delta Railway | 1879 | 1888 | Maryland Central Railway | |||
| Slate Run Railroad | 1884 | |||||
| Slate Valley Railroad | LNE | 1886 | 1891 | Pennsylvania, Poughkeepsie and Boston Railroad | ||
| Smethport Railroad | 1899 | 1931 | N/A | Operated by Mount Jewett, Kinzua and Riterville Railroad | ||
| Smethport and Olean Railroad | PS&N | 1895 | 1899 | Pittsburg, Shawmut and Northern Railroad | ||
| Smithfield and Masontown Railroad | B&O | 1899 | 1915 | Fairmont, Morgantown and Pittsburg Railroad | ||
| Somerset and Bedford Railroad | PRR | 1894 | 1894 | Pennsylvania Midland Railroad | ||
| Somerset and Cambria Railroad | B&O | 1879 | 1912 | Baltimore and Ohio Railroad in Pennsylvania | ||
| Somerset Coal Railway | WM | 1915 | 1950 | Western Maryland Railway | ||
| Somerset and Mineral Point Railroad | B&O | 1868 | 1879 | Somerset and Cambria Railroad | ||
| South Branch Railroad | ||||||
| South Chester Railroad | PRR | 1891 | 1906 | Philadelphia, Baltimore and Washington Railroad | ||
| South Easton and Phillipsburg Railroad | 1899 | 1912 | Lehigh and Hudson River Railway | |||
| South Fork Railroad | PRR | 1890 | 1903 | Pennsylvania Railroad | ||
| South Mountain Iron Company | RDG | 1869 | 1877 | South Mountain Railway and Mining Company | ||
| South Mountain Railway and Mining Company | RDG | 1877 | 1891 | Gettysburg and Harrisburg Railway | ||
| South Shore Railroad | 1892 | |||||
| Southern Pennsylvania Iron and Railroad Company | PRR | 1869 | 1872 | Southern Pennsylvania Railway and Mining Company | ||
| Southern Pennsylvania Railway and Mining Company | PRR | 1873 | 1954 | Penndel Company | ||
| Southwark Railroad | PRR | 1831 | 1877 | Philadelphia, Wilmington and Baltimore Railroad | ||
| South West Connecting Railway | PRR | 1897 | 1908 | Pennsylvania Railroad | ||
| South-West Pennsylvania Railway | PRR | 1871 | 1906 | Pennsylvania Railroad | ||
| Southwestern Du Bois Railroad | B&O | 1905 | 1907 | Buffalo and Susquehanna Railroad | ||
| Spring Brook Railroad | 1871 | 1890 | Scranton and Spring Brook Railroad | |||
| Spring Brook Horse Railway | 1869 | 1871 | Spring Brook Railroad | |||
| Spring Creek Railway | 1902 | 1904 | Tionesta Valley Railway | |||
| State Line Railroad | B&O | 1890 | 1895 | Buffalo and Susquehanna Railroad | ||
| State Line Railroad | B&O | 1884 | 1893 | Fairmont, Morgantown and Pittsburg Railroad | ||
| State Line and Sullivan Railroad | LV | 1874 | 1949 | Lehigh Valley Railroad | ||
| Stewart Railroad | NYC | 1887 | 1963 | Mahoning and Shenango Valley Railway | ||
| Stewartstown Railroad | STRT | 1884 | 1992 | Continued as a tourist railroad | ||
| Stony Creek Railroad | RDG | 1868 | 1945 | Reading Company | ||
| Sullivan and Erie Coal and Railroad Company | LV | 1865 | 1874 | State Line and Sullivan Railroad | ||
| Summit Branch Railroad | 1846 | 1897 | Summit Branch Coal Company | |||
| Sunbury and Erie Railroad | PRR | 1837 | 1861 | Philadelphia and Erie Railroad | ||
| Sunbury, Hazleton and Wilkesbarre Railway | PRR | 1878 | 1900 | Schuylkill and Juniata Railroad | ||
| Sunbury and Lewistown Railroad | PRR | 1870 | 1900 | Schuylkill and Juniata Railroad | ||
| Susquehanna Railroad | B&O | 1891 | 1893 | Buffalo and Susquehanna Railroad | ||
| Susquehanna Railroad | PRR | 1851 | 1854 | Northern Central Railway | ||
| Susquehanna, Bloomsburg, and Berwick Railroad | PRR | 1902 | 1918 | Pennsylvania Railroad | ||
| Susquehanna and Buffalo Railroad | 1891 | |||||
| Susquehanna and Clearfield Railroad | PRR/NYC | 1879 | 1901 | Beech Creek Extension Railroad | Sold by the Pennsylvania Railroad to the New York Central & Hudson River Railroad in 1901 | |
| Susquehanna Connecting Railroad | ERIE | 1896 | ||||
| Susquehanna and Eagles Mere Railroad | ||||||
| Susquehanna, Gettysburg and Potomac Railway | WM | 1871 | 1874 | Hanover Junction, Hanover and Gettysburg Railroad | ||
| Susquehanna and New York Railroad | S&NY | LV | 1902 | 1942 | Lehigh Valley Railroad | |
| Susquehanna and New York Railroad | B&O | 1898 | 1901 | Buffalo and Susquehanna Railroad | ||
| Susquehanna River and Western Railroad | 1903 | 1939 | N/A | |||
| Susquehanna and Southern Railroad | B&O | 1902 | 1906 | Buffalo and Susquehanna Railroad | ||
| Susquehanna and Southwestern Railroad | NYC | 1882 | 1883 | Beech Creek, Clearfield and Southwestern Railroad | ||
| Susquehanna and Union Bridge Company | RDG | 1850 | 1854 | Trevorton and Susquehanna Railroad | ||
| Swatara Railroad | RDG | 1841 | 1863 | Philadelphia and Reading Railroad | ||
| Swatara and Good Spring Railroad | RDG | 1840 | 1841 | Swatara Railroad | ||
| Tamaqua, Hazleton and Northern Railroad | RDG | 1891 | 1923 | Reading Company | ||
| Thomas Railroad | LV/ RDG | 1906 | 1917 | Ironton Railroad | ||
| Three Rivers Railway | 1992 | Still exists as a nonoperating subsidiary of CSX Transportation | ||||
| Tiadaghton and Fahnastalk Railway | 1892 | |||||
| Tioga Railroad | ERIE | 1850 | 1941 | Erie Railroad | ||
| Tioga Navigation Company | ERIE | 1828 | 1852 | Tioga Railroad | ||
| Tionesta Valley Railroad | 1879 | 1894 | Tionesta Valley Railway | |||
| Tionesta Valley Railway | 1894 | 1941 | N/A | |||
| Tionesta Valley and Hickory Railway | 1892 | 1911 | Sheffield and Tionesta Railway | |||
| Tionesta Valley and Salmon Creek Railway | 1893 | 1901 | Sheffield and Tionesta Railway | |||
| Tipton Railroad | PRR | 1885 | 1927 | N/A | ||
| Titusville and Oil City Railway | PRR | 1878 | 1881 | Buffalo, Pittsburgh and Western Railroad | ||
| Titusville and Petroleum Centre Railroad | PRR | 1870 | 1878 | Titusville and Oil City Railway | ||
| Towanda and Franklin Railroad | LV | 1853 | 1854 | Barclay Railroad and Coal Company | ||
| Trenton Cut-off Railroad | PRR | 1889 | 1902 | Pennsylvania Railroad | ||
| Trenton Delaware Bridge Company | PRR | 1835 | 1903 | N/A | ||
| Tresckow Railroad | CNJ | 1870 | 1963 | Lehigh Coal and Navigation Company | ||
| Trevorton Coal Company | RDG | 1861 | 1867 | Zerbe Valley Railroad | ||
| Trevorton Coal and Railroad Company | RDG | 1856 | 1860 | Trevorton Coal Company | ||
| Trevorton, Mahanoy and Susquehanna Railroad | RDG | 1850 | 1854 | Trevorton and Susquehanna Railroad | ||
| Trevorton and Susquehanna Railroad | RDG | 1854 | 1856 | Trevorton Coal and Railroad Company | ||
| Turbotville and Williamsport Railroad | PRR | 1892 | 1893 | Central Pennsylvania and Western Railroad | ||
| Turtle Creek and Allegheny River Railroad | ||||||
| Turtle Creek Valley Railroad | PRR | 1886 | 1903 | Pennsylvania Railroad | ||
| Tuscarora Valley Railroad | 1891 | 1934 | N/A | |||
| Tylerdale Connecting Railroad | TYC | B&O/ PRR | 1899 | Still exists as a nonoperating subsidiary of CSX Transportation | ||
| Tyrone and Clearfield Railroad | PRR | 1854 | 1866 | Pennsylvania Railroad, Tyrone and Clearfield Railway | ||
| Tyrone and Clearfield Railway | PRR | 1867 | 1903 | Cambria and Clearfield Railway | ||
| Tyrone and Lock Haven Railroad | PRR | 1857 | 1861 | Bald Eagle Valley Railroad | ||
| Union Canal Company of Pennsylvania | RDG | 1826 | 1866 | Philadelphia and Reading Railroad | ||
| Union Coal Company | D&H | 1864 | 1868 | Baltimore Coal and Union Railroad Company | ||
| Union and Titusville Railroad | PRR | 1866 | 1871 | Oil Creek and Allegheny River Railway | ||
| Uniontown Railway | PRR | 1879 | 1879 | Brownsville Railway | ||
| Uniontown and West Virginia Railroad | PRR | 1868 | 1877 | South-West Pennsylvania Railway | ||
| United New Jersey Railroad and Canal Company | PRR | 1958 | 1976 | Consolidated Rail Corporation | ||
| Unity Railways | UNI | 1915 | 1990 | N/A | ||
| Ursina and North Fork Railroad | 1871 | 1882 | Ursina and North Fork Railway | |||
| Ursina and North Fork Railway | 1882 | 1936 | N/A | |||
| Valley Railroad | 1893 | 1936 | N/A | |||
| Valley Connecting Railroad | 1898 | |||||
| Wabash Pittsburgh Terminal Railway | P&WV | 1904 | 1916 | Pittsburgh and West Virginia Railway | ||
| Wampum and State Line Railway | PLE/ PRR | 1886 | 1886 | Pittsburgh, Marion and Chicago Railway | ||
| Warren and Farnsworth Railroad | 1885 | 1894 | Tionesta Valley Railway | |||
| Warren and Farnsworth Valley Railroad | 1882 | 1885 | Warren and Farnsworth Railroad | |||
| Warren and Franklin Railway | PRR | 1864 | 1868 | Oil Creek and Allegheny River Railway | ||
| Warren and Tidioute Railroad | PRR | 1861 | 1864 | Warren and Franklin Railway | ||
| Warren and Venango Railroad | NYC | 1871 | 1873 | Dunkirk, Allegheny Valley and Pittsburgh Railroad | ||
| Washington Railroad | B&O | 1879 | 1879 | Pittsburgh Southern Railway | ||
| Washington County Railroad | P&WV | 1900 | 1901 | Pittsburgh, Carnegie and Western Railroad | ||
| Washington and Franklin Railroad | WM | 1898 | 1899 | Washington and Franklin Railway | ||
| Washington and Franklin Railway | WM | 1899 | Owned by the Reading Company and leased to the Western Maryland Railway; still exists as a lessor of CSX Transportation, owned by Reading International, Inc. | |||
| Washington and Maryland Line Railroad | PRR | 1857 | 1860 | Columbia and Maryland Line Railroad | ||
| Washington Run Railroad | WRN | 1895 | 1931 | N/A | ||
| Water Gap Railroad | ERIE | 1880 | 1881 | New York, Susquehanna and Western Railroad | ||
| Waynesburg Southern Railroad | WAS | MGA | 1966 | 1976 | Consolidated Rail Corporation | |
| Waynesburg and Washington Railroad | WAW | PRR | 1875 | 1976 | Consolidated Rail Corporation | |
| Wellsboro and Lawrenceville Railroad | NYC | 1867 | 1873 | Corning, Cowanesque and Antrim Railway | ||
| Wellsville, Addison and Galeton Railroad | WAG | 1954 | 1979 | N/A | ||
| West Branch Valley Railroad | NYC | 1898 | 1901 | Beech Creek Extension Railroad | ||
| West Chester Railroad | PRR | 1831 | 1903 | Pennsylvania Railroad | ||
| West Chester and Philadelphia Railroad | PRR | 1848 | 1881 | Philadelphia and Baltimore Central Railroad | ||
| West Clarion Railroad | ERIE | 1897 | 1941 | Erie Railroad | ||
| West Penn and Shenango Connecting Railroad | B&LE | 1882 | 1889 | Pittsburgh, Butler and Shenango Railroad | ||
| West Pittston – Exeter Railroad | LV | 1925 | ||||
| West Reading Railroad | RDG | 1860 | 1873 | Philadelphia and Reading Railroad | ||
| West Side Belt Railroad | WSB | P&WV | 1895 | 1928 | Pittsburgh and West Virginia Railway | |
| Westerman Coal and Iron Railroad | ERIE | 1941 | Nypano Railroad | |||
| Western Allegheny Railroad | WAL | B&LE | 1902 | 1967 | Bessemer and Lake Erie Railroad | |
| Western Maryland Railroad | WM | 1879 | 1909 | Western Maryland Railway | ||
| Western Maryland Railway | WM | WM | 1909 | 1989 | CSX Transportation | |
| Western New York and Pennsylvania Railroad | PRR | 1887 | 1895 | Northwestern Pennsylvania Railway | ||
| Western New York and Pennsylvania Railway | PRR | 1895 | 1955 | Penndel Company | ||
| Western New York and Pennsylvania Railway of Pennsylvania | PRR | 1887 | 1887 | Western New York and Pennsylvania Railroad | ||
| Western Pennsylvania Railroad | PRR | 1860 | 1903 | Pennsylvania Railroad | ||
| Western Washington Railroad | PRR | 1900 | 1907 | Chartiers Railway | ||
| Westinghouse Inter-Works Railway | 1902 | 1962 | ||||
| White Deer and Logantown Railway | 1906 | |||||
| Wheeling, Pittsburgh and Baltimore Railroad | B&O | 1872 | ||||
| Wilcox and Howard Hill Improvement Company | ERIE | 1870 | 1881 | New York, Lake Erie and Western Coal and Railroad Company | ||
| Wilkes-Barre Connecting Railroad | WBC | D&H/ PRR | 1912 | |||
| Wilkes-Barre and Eastern Railroad | ERIE | 1892 | 1941 | Moosic Mountain and Carbondale Railroad | ||
| Wilkes-Barre and Harvey's Lake Railroad | LV | 1885 | 1904 | Loyalsock Railroad | ||
| Wilkesbarre and Pittston Railroad | PRR | 1859 | 1867 | Danville, Hazleton and Wilkes-Barre Railroad | ||
| Wilkes-Barre and Scranton Railroad | CNJ | 1851 | 1860 | Nanticoke Railroad | ||
| Wilkes-Barre and Scranton Railway | CNJ | 1886 | 1963 | Central Railroad of New Jersey | ||
| Wilkesbarre and Western Railway | PRR | 1886 | 1893 | Central Pennsylvania and Western Railroad | ||
| Williams Valley Railroad | RDG | 1891 | 1947 | Reading Company | ||
| Williamsport and Elmira Railroad | PRR | 1832 | 1860 | Elmira and Williamsport Railroad | ||
| Williamsport and North Branch Railroad | W&NB | 1882 | 1921 | Williamsport and North Branch Railway | ||
| Williamsport and North Branch Railway | W&NB | 1921 | 1937 | N/A | ||
| Wilmington and Northern Railroad | RDG | 1877 | 1976 | Consolidated Rail Corporation | ||
| Wilmington and Reading Railroad | RDG | 1866 | 1876 | Wilmington and Northern Railroad | ||
| Wilmington and Western Railroad | B&O | 1869 | 1877 | Delaware Western Railroad | ||
| Wind Gap and Delaware Railroad | LNE | 1880 | 1904 | Lehigh and New England Railroad | ||
| Winfield Railroad | 1900 | 1979 | N/A | |||
| Wrightsville and Gettysburg Railroad | PRR | 1836 | 1837 | Wrightsville, York and Gettysburg Railroad | ||
| Wrightsville and York Railroad | PRR | 1835 | 1837 | Wrightsville, York and Gettysburg Railroad | ||
| Wrightsville, York and Gettysburg Railroad | PRR | 1837 | 1870 | Pennsylvania Railroad | ||
| Wyoming and Pond Creek Railroad | 1897 | |||||
| York and Cumberland Railroad | PRR | 1846 | 1854 | Northern Central Railway | ||
| York, Hanover and Frederick Railroad | PRR | 1897 | 1914 | York, Hanover and Frederick Railway | ||
| York, Hanover and Frederick Railway | PRR | 1914 | 1954 | Penndel Company | ||
| York Haven and Rowenna Railroad | PRR | 1902 | 1906 | Pennsylvania Railroad | ||
| York and Maryland Line Railroad | PRR | 1832 | 1854 | Northern Central Railway | ||
| York and Peach Bottom Railway | 1882 | 1891 | Baltimore and Lehigh Railroad | |||
| York Southern Railroad | 1894 | 1901 | Maryland and Pennsylvania Railroad | |||
| York Terminal Railway | 1913 | |||||
| Youghiogheny and Ligonier Valley Railroad | B&O | 1906 | 1906 | Indian Creek Valley Railway | ||
| Youghiogheny Northern Railway | PLE | 1881 | 1945 | N/A | ||
| Youghiogheny and Wick Haven Railroad | 1893 | |||||
| Youngstown, Lawrence and Pittsburgh Railroad | PRR | 1887 | 1887 | Pittsburgh, Youngstown and Ashtabula Railroad | ||
| Youngstown and Southern Railway | YS | PLE/ PRR | 1945 | 1996 | Railroad Ventures, Inc. | |
| Zerbe Valley Railroad | RDG | 1867 | 1870 | Mahanoy and Shamokin Railroad |
Electric
- Adamsville and Mohnsville Electric Railway
- Allegheny, Bellevue and Perrysville Railway
- Allegheny Traction Company
- Allegheny Valley Street Railway
- Allen Street Railway
- Allentown and Reading Traction Company
- Altoona and Logan Valley Electric Railway
- Ardmore and Llanerch Street Railway
- Bangor and Portland Traction Company
- Beaver Valley Traction Company
- Bethlehem and Nazareth Passenger Railway
- Birdsboro Street Railway
- Blue Ridge Traction Company
- Bradford Street Railroad
- Butler Passenger Railway
- Cambria Incline Plane Company
- Carbon Street Railway
- Carbondale Railway
- Carlisle and Mechanicsburg Street Railway
- Carlisle and Mount Holly Railway
- Catherine and Bainbridge Streets Railway of Philadelphia
- Centennial Passenger Railway
- Central Pennsylvania Traction Company
- Central Traction Company
- Central Valley Railroad
- Centre and Clearfield Street Railway
- Chambersburg and Gettysburg Electric Railway
- Chambersburg, Greencastle and Waynesboro Street Railway
- Chester, Darby and Philadelphia Railway
- Chester and Delaware Street Railway
- Chester and Media Electric Railway
- Chester Street Railway
- Chester Traction Company
- Citizens' Clearfield and Cambria Streets Railway
- Citizens' East End Street Railway
- Citizens' Passenger Railway
- Citizens Passenger Railway
- Citizens Traction Company
- Citizens' Traction Company of Oil City, Pennsylvania
- Clairton Street Railway
- Coal Castle Electric Railway
- Coatesville Traction Company
- Collegeville Electric Street Railway
- Colonial Street Railway
- Columbia and Montour Electric Railway
- Conestoga Traction Company
- Conneaut and Erie Traction Company
- Conshohocken Railway
- Consolidated Traction Company
- Continental Passenger Railway
- Corry and Columbus Street Railway
- Cumberland Railway
- Danville and Bloomsburg Street Railway
- Danville and Sunbury Transit Company
- Delaware County and Philadelphia Electric Railway
- Doylestown and Easton Street Railway
- Doylestown and Willow Grove Railway
- DuBois Traction Company
- Duquesne Traction Company
- East End Passenger Railway
- East McKeesport Street Railway
- East Reading Electric Railway
- Easton and Bethlehem Transit Company
- Easton, Palmer and Bethlehem Street Railway
- Easton and South Bethlehem Transit Company
- Easton Transit Company
- Electric Traction Company
- Empire Passenger Railway
- Ephrata and Adamstown Railway
- Erie Electric Motor Company
- Erie Rapid Transit Street Railway
- Erie Traction Company
- Fairchance and Smithfield Traction Company
- Fairmount Park and Haddington Passenger Railway
- Fairmount Park Transportation Company
- Federal Street and Pleasant Valley Passenger Railway
- Frankford and Southwark Philadelphia City Passenger Railway
- French Point Street Railway
- Front and Fifth Streets Railway
- Germantown Passenger Railway
- Gettysburg Electric Railway
- Girard Avenue Passenger Railway
- Green and Coates Streets Passenger Railway
- Hagerstown Railway
- Hanover and McSherrystown Street Railway
- Harrisburg City Passenger Railway
- Harrisburg and Hummelstown Street Railway
- Harrisburg and Mechanicsburg Electric Railway
- Harrisburg Traction Company
- Heston, Mantua and Fairmount Passenger Railway
- Highland Grove Traction Company
- Hillcrest Avenue Passenger Railway
- Holmesburg, Tacony and Frankford Electric Railway
- Homestead and Mifflin Street Railway
- Hummelstown and Campbellstown Street Railway
- Huntingdon, Lewistown and Juniata Valley Traction Company
- Huntingdon Street Connecting Passenger Railway
- Irwin–Herminie Traction Company
- Jefferson Traction Company
- Jersey Shore Electric Street Railway
- Johnstown Passenger Railway
- Johnstown Traction Company
- Kessler Street Connecting Passenger Railway
- Kittaning and Leechburg Railways
- Kutztown and Fleetwood Street Railway
- Lackawanna Valley Traction Company
- Lackawanna and Wyoming Valley Railroad (L&WV)
- Lake Erie Traction Company
- Lancaster and Columbia Railway
- Lancaster, Mechanicsburg and New Holland Railway
- Lancaster, Petersburg and Manheim Railway
- Lancaster and Quarryville Street Railway
- Lancaster and Rocky Springs Railway
- Lancaster and Southern Street Railway
- Lancaster, Willow Street, Lampeter and Strasburg Railway
- Lancaster and York Furnace Street Railway
- Latrobe Street Railway
- Lebanon Valley Street Railway
- Lehigh Avenue Railway
- Lehigh Traction Company
- Lehigh Valley Transit Company
- Lewisburg, Milton and Watsontown Passenger Railway
- Lewistown and Reedsville Electric Railway
- Linglestown and Blue Mountain Street Railway
- Lykens and Williams Valley Street Railway
- Mahoning Valley Street Railway
- Meadville and Cambridge Springs Street Railway
- Meadville Traction Company
- Media, Glen Riddle and Rockdale Electric Street Railway
- Media, Middletown, Aston and Chester Electric Railway
- Middletown, Highspire and Steelton Street Railway
- Monongahela Street Railway
- Montgomery and Chester Electric Railway
- Montgomery County Passenger Railway
- Montgomery County Rapid Transit Company
- Montgomery Traction Company
- Montoursville Passenger Railway
- Morningside Electric Street Railway
- Mount Vernon Electric Street Railway
- Mount Washington Street Railway
- Neversink Mountain Railway
- New Castle and Lowell Railway
- New Holland, Blue Ball and Terre Hill Street Railway
- New Homestead Street Railway
- New Jersey and Pennsylvania Traction Company
- Newtown Electric Railway
- Newtown, Langhorne and Bristol Trolley Street Railway
- Newtown and Yardley Street Railway
- Northampton Central Street Railway
- Northampton Traction Company
- Northern Cambria Street Railway
- Northern Electric Street Railway
- Northern Passenger Railway
- Norristown Passenger Railway
- Northumberland County Traction Company
- Oakdale and McDonald Street Railway
- Oil City, Rouseville and Franklin Railway
- Oil City Station Railway
- Olean, Rock City and Bradford Railroad
- Olean, Rock City and Bradford Electric Railroad
- Oley Valley Railway
- Oxford, West Grove and Avondale Street Railway
- Patterson Heights Street Railway
- Pennsylvania and Mahoning Valley Railway
- Pennsylvania and Maryland Street Railway
- Pennsylvania Motor Company
- People's Railway
- People's Passenger Railway
- People's Street Railway of Nanticoke and Newport
- Philadelphia, Bristol and Trenton Street Railway
- Philadelphia, Cheltenham and Jenkintown Passenger Railway
- Philadelphia and Chester Railway
- Philadelphia City Passenger Railway
- Philadelphia and Darby Railway
- Philadelphia and Easton Electric Railway
- Philadelphia and Easton Railway
- Philadelphia and Garrettford Street Railway
- Philadelphia and Grays Ferry Passenger Railway
- Philadelphia, Morton and Swarthmore Street Railway
- Philadelphia Rapid Transit Company
- Philadelphia Suburban Transportation Company
- Philadelphia Traction Company
- Philadelphia and West Chester Traction Company
- Philadelphia and Western Railroad
- Philadelphia and Western Railway
- Philadelphia and Willow Grove Street Railway
- Pittsburgh and Allegheny Valley Railway
- Pittsburgh and Birmingham Traction Company
- Pittsburgh and Charleroi Street Railway
- Pittsburgh, Harmony, Butler and New Castle Railway
- Pittsburgh, McKeesport and Greensburg Railway
- Pittsburgh, McKeesport and Westmoreland Railway
- Pittsburgh Railways
- Pittsburgh Traction Company
- Pittston and Scranton Street Railway
- Plymouth and Larksville Railway
- Port Carbon and Middleport Electric Railway
- Pottstown and Northern Street Railway
- Pottstown Passenger Railway
- Pottstown and Reading Street Railway
- Pottsville and Reading Railway
- Pottsville Union Traction Company
- Quakertown Traction Railway
- Reading City Passenger Railway
- Reading and Southwestern Street Railway
- Reading and Temple Electric Railway
- Reading Traction Company
- Reading Transit and Light Company
- Red Lion and Windsor Street Railway
- Ridge Avenue Connecting Railway
- Ridge Avenue Passenger Railway
- Rohrerstown, Landisville and Mount Joy Street Railway
- Roxborough, Chestnut Hill and Norristown Railway
- Schuylkill Railway
- Schuylkill Electric Railway
- Schuylkill Haven and Orwigsburg Street Railway
- Schuylkill Valley Traction Company
- Scranton Railway
- Scranton and Carbondale Traction Company
- Scranton, Dunmore, and Moosic Lake Railroad
- Scranton and Northeastern Railroad
- Scranton and Pittston Traction Company
- Scranton Traction Company
- Second and Third Streets Passenger Railway
- Seventeenth and Nineteenth Streets Passenger Railway
- Shamokin and Edgewood Electric Railway
- Shamokin Extension Electric Railway
- Shamokin and Mount Carmel Transit Company
- Sharon and New Castle Street Railway
- Sharon and Wheatland Street Railway
- Shingle House Railroad
- Slate Belt Electric Street Railway
- South Bethlehem and Saucon Street Railway
- South Side Passenger Railway
- South Waverly Street Railway
- Southwestern Street Railway
- Stroudsburg Passenger Railway
- Stroudsburg, Water Gap and Portland Railway
- Suburban Rapid Transit Street Railway
- Sunbury and Northumberland Electric Railway
- Susquehanna Traction Company
- Tamaqua and Lansford Street Railway
- Tamaqua and Pottsville Electric Railroad
- Thirteenth and Fifteenth Streets Passenger Railway
- Titusville Electric Traction Company
- Trappe and Limerick Electric Street Railway
- Trenton, New Hope and Lambertville Street Railway
- Tri-State Railway and Electric Company
- Twenty-Second Street and Allegheny Avenue Passenger Railway
- Union Passenger Railway
- Union Traction Company of Philadelphia
- United Traction Company
- United Traction Company of Pittsburgh
- United Traction Street Railway
- Vallamont Traction Company
- Valley Street Railway
- Valley Traction Company
- Walnut Street Connecting Passenger Railway
- Warren County Traction Company
- Warren and Jamestown Street Railway
- Warren Street Railway
- Washington and Canonsburg Railway
- Waverly, Sayre and Athens Traction Company
- Webster, Monessen, Belle Vernon and Fayette City Street Railway
- West Chester Street Railway
- West Chester, Kennett and Wilmington Electric Railway
- West Fairview and Marysville Electric Street Railway
- West Penn Railways
- West Philadelphia Passenger Railway
- West Side Electric Street Railway
- Western New York and Pennsylvania Traction Company
- Westmoreland County Railway
- White Hill and Mechanicsburg Passenger Railway
- Whitehall Street Railway
- Wilkes-Barre Railroad
- Wilkes-Barre Railway
- Wilkes-Barre, Dallas and Harvey's Lake Railway
- Wilkes-Barre and Hazleton Railroad
- Wilkes-Barre and Wyoming Valley Traction Company
- Williamsport Passenger Railway
- Wissahickon Electric Passenger Railway
- Wrightsville and York Street Railway
- Yardley, Morrisville and Trenton Street Railway
- York and Dallastown Electric Railway
- York and Dover Electric Railway
- York Haven Street Railway
- York Street Railway
- Youngsville and Sugar Grove Street Railway
Private carriers
- Birmingham Coal Company
- Clinton Coal Company
- H.B. Hays and Brothers Coal Railroad
- Lawrence Ore Company
- Leiper Railroad
- Mehard Coal Company
- Perry Lumber Company
- Shawnee Railroad
Passenger carriers
- Mauch Chunk, Summit Hill and Switchback Railroad
- Mauch Chunk Switchback Railway
- Quakertown & Eastern Railroad
- Valley Forge Scenic Railroad
- Wawa and Concordville Railroad
Not completed
- Blue Mountain Railroad
- Duncannon, Landisburg and Broad Top Railroad
- Harrisburg and Hamburg Railroad
- Harrisburg and South Mountain Railroad
- Pennsylvania Pacific Railway
- Philipsburg and Johnstown Railroad
- Pittsburgh, Binghamton & Eastern Railroad
- Shermans Valley and Broad Top Railroad
- South Mountain Railroad
- South Pennsylvania Railroad
- South Side Railroad
Notes
- ↑ This is one or more of the Class I railroads that the railroad became part of, if any.
References
- ↑ Archived December 18, 2010, at the Wayback Machine
- ↑ "Columnist shares tales of Diamond Valley Railroad". The Daily News. 2 October 2019. Retrieved 2023-01-26.
- ↑ The Official Railway Guide: North American Freight Service Edition - Google Boeken. 1874. Retrieved 2012-11-07.
External links
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