# List of New York railroads

The following railroads currently or formerly operated in the U.S. state of New York.

## Common freight carriers

* Albany Port Railroad (APD) (Port of Albany)
* Arcade and Attica Railroad (ARA)
* B&H Rail Corporation (BH) (Owned by Livonia, Avon and Lakeville Railroad)
* Berkshire and Eastern Railroad (B&E) operated by Genesee & Wyoming on tracks owned by Pan Am Southern (PAS) after CSX and Norfolk Southern acquired it in 2022.
* Buffalo Southern Railroad (BSOR)
* Canadian National Railway (CN)
* Canadian Pacific Kansas City (CPKC) including Canadian Pacific (CPR) and subsidiary Delaware and Hudson Railway (DH)
* Central New York Railroad (CNYK) (operated by New York, Susquehanna and Western Railway)
* Clarendon and Pittsford Railroad (CLP) (owned by Vermont Railway)
* Conrail Shared Assets Operations (CSAO) (jointly owned by CSX Transportation and Norfolk Southern Railway, it operates the western portion of the North Shore Branch of the Staten Island Railroad (SIR)
* CSX Transportation (CSXT)
* Depew, Lancaster and Western Railroad (DLWR) (Genesee Valley Transportation)
* Falls Road Railroad (FRR) (Genesee Valley Transportation)
* Finger Lakes Railway (FGLK)
* Frontier Rail (FRRX)
* Housatonic Railroad (HRRC)
* Ithaca Central Railroad (ITHR) (Watco Companies)
* Livonia, Avon and Lakeville Railroad (LAL)
* Lowville and Beaver River Railroad (LBR) (out of service)
* Massena Terminal Railroad (MSTR) (Genesee and Wyoming Railroad)
* Middletown and New Jersey Railroad (MNJ) (Regional Rail)
* Mohawk, Adirondack and Northern Railroad (MHWA) (Genesee Valley Transportation)
* New York and Atlantic Railway (NYA) (Anacostia Rail Holdings)
* New York and Lake Erie Railroad (NYLE)
* New York New Jersey Rail, LLC (NYNJ)
* New York and Ogdensburg Railway (NYOG) (Owned by Vermont Railway)
* New York, Susquehanna and Western Railway (NYSW)
* Norfolk Southern Railway (NS)
* Ontario Central Railroad (ONCT) (Operated by Finger Lakes Railway)
* Ontario Midland Railroad (OMID)
* Owego and Harford Railway (OHRY)
* Providence and Worcester Railroad (PW) (Genesee and Wyoming)
* Rochester and Southern Railroad (RSR) (Genesee and Wyoming)
* SMS Rail Lines of New York (SNY) (Owned by SMS Rail Lines)
* Somerset Railroad (SOM) (Operated by CSX Transportation)
* South Buffalo Railway (SB)
* Vermont Railway (VTR)
* Wellsboro and Corning Railroad (WCOR) (Genesee and Wyoming)
* Western New York and Pennsylvania Railroad (WNYP) (Owned by Livonia, Avon and Lakeville Railroad)

## Private carriers

* Kodak Park Railroad (Operated by Rochester Switching Services)
* Port Liberty New York ExpressRail
* South Brooklyn Railway (SBK) (owned by NYC Transit and is only used for delivery of new subway rolling stock)

## Passenger carriers

New York State passenger rail :
Legend :
Key :
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* Amtrak (AMTK) (high-speed rail, intercity rail, and long-distance rail)

### Commuter rail

* Long Island Rail Road (LI) (commuter rail)
* Metro-North Railroad (MNCW) (commuter rail)
* New Jersey Transit Rail Operations (NJTR) (commuter rail)

### Rapid transit

* AirTrain JFK (people mover)
* Buffalo Metro Rail (light rail metro)
* New York City Subway (rapid transit/heavy rail)
* Port Authority Trans-Hudson (PATH) (rapid transit/heavy rail)
* Staten Island Railway (SIR) (heavy rail/commuter rail/rapid transit)

### Heritage railroad

* Adirondack Scenic Railroad (ADIX) (tourist railway/ heritage railroad)
* Arcade and Attica Railroad (ARA) (seasonally runs tourist trains; mostly a freight carrier)
* Catskill Mountain Railroad (CMRR) (heritage railroad)
* Cooperstown and Charlotte Valley Railroad (CACV) (heritage railroad)
* Delaware and Ulster Railroad (DURR) (heritage railroad)
* Medina Railroad Museum (heritage railroad)
* New York Museum of Transportation (heritage railroad)
* New York Transit Museum (operates historical trains throughout the New York City Subway System)
* Rochester & Genesee Valley Railroad Museum (RGVM) (operating railroad museum)
* Saratoga Corinth and Hudson Railway (heritage railroad)
* Tioga Central Railroad (heritage railroad)
* Trolley Museum of New York (heritage light rail)
* Upper Hudson River Railroad (heritage railroad)

## Defunct railroads

| Name | Mark | System | From | To | Successor | Notes |
| Addison Railroad | | RUT | 1867 | 1951 | N/A |
| Addison and Northern Pennsylvania Railway | | B&O | 1882 | 1887 | Addison and Pennsylvania Railway |
| Addison and Pennsylvania Railway | | B&O | 1887 | 1898 | Addison and Susquehanna Railroad |
| Addison and Susquehanna Railroad | | B&O | 1898 | 1954 | Buffalo and Susquehanna Railroad |
| Adirondack Company | | D&H | 1863 | 1882 | Adirondack Railway |
| Adirondack Railway | | D&H | 1882 | 1902 | Delaware and Hudson Company |
| Adirondack Railway | ADIR | | 1976 | 1981 | |
| Adirondac Estate and Railroad Company | | D&H | 1860 | 1863 | Adirondack Company |
| Adirondack and St. Lawrence Railroad | | | 1906 | 1925 | N/A |
| Albany and Hudson Railway and Power Company | | | 1899 | 1903 | Albany and Hudson Railroad | Electrified in 1900 |
| Albany Northern Railroad | | D&H | 1851 | 1856 | Albany, Vermont and Canada Railroad |
| Albany and Schenectady Railroad | | NYC | 1847 | 1853 | New York Central Railroad |
| Albany and Susquehanna Railroad | | D&H | 1851 | 1945 | Delaware and Hudson Railroad |
| Albany and Vermont Railroad | | D&H | 1859 | | |
| Albany, Vermont and Canada Railroad | | D&H | 1856 | 1859 | Albany and Vermont Railroad |
| Albany and West Stockbridge Railroad | | NYC | 1836 | 1870 | Boston and Albany Railroad |
| Allegany Central Railroad | | PS&N | 1881 | 1883 | Lackawanna and Pittsburgh Railroad |
| Amsterdam, Chuctanunda and Northern Railroad | | NYC | 1879 | | |
| Atlantic Avenue Railroad | | LIRR | 1872 | 1899 | Nassau Electric Railroad | Main line operated by Long Island Rail Road under a 99-year lease from 1877 |
| Atlantic and Great Western Railroad | | ERIE | 1871 | 1880 | New York, Pennsylvania and Ohio Railroad |
| Atlantic and Great Western Railroad | | ERIE | 1859 | 1865 | Atlantic and Great Western Railway |
| Atlantic and Great Western Railway | | ERIE | 1865 | 1871 | Atlantic and Great Western Railroad |
| Attica and Allegheny Valley Railroad | | | 1852 | 1856 | Attica and Arcade Railroad |
| Attica and Buffalo Railroad | | NYC | 1836 | 1850 | Buffalo and Rochester Railroad |
| Attica and Arcade Railroad | | | 1870 | 1880 | Tonawanda Valley Railroad |
| Attica and Freedom Railroad | | | 1891 | 1894 | Buffalo, Attica and Arcade Railroad |
| Attica and Hornellsville Railroad | | ERIE | 1845 | 1851 | Buffalo and New York City Railroad |
| Auburn and Ithaca Railway | | LV | 1889 | 1890 | Geneva and Van Ettenville Railway |
| Auburn and Rochester Railroad | | NYC | 1836 | 1850 | Rochester and Syracuse Railroad |
| Auburn and Syracuse Railroad | | NYC | 1834 | 1850 | Rochester and Syracuse Railroad |
| Avon, Geneseo and Mount Morris Railroad | | ERIE | 1860 | 1940 | N/A |
| Baltimore and Ohio Railroad | B&O, BO | B&O | 1932 | 1987 | Chesapeake and Ohio Railway |
| Bath and Hammondsport Railroad | BH | | 1872 | 1993 | Champagne Railroad |
| Battenkill Railroad | | D&H | 1902 | 1903 | Greenwich and Johnsonville Railway |
| Bennington and Rutland Railroad | | RUT | 1865 | 1870 | Harlem Extension Railroad |
| Bennington and Rutland Railway | | RUT | 1877 | 1901 | Rutland Railroad |
| Black River and Morristown Railroad | | NYC | 1870 | 1883 | Utica and Black River Railroad |
| Black River and St. Lawrence Railway | | NYC | 1868 | 1883 | Carthage and Adirondack Railway |
| Black River and Utica Railroad | | NYC | 1853 | 1860 | Utica and Black River Railroad |
| Blossburg and Corning Railroad | | NYC | 1854 | 1873 | Corning, Cowanesque and Antrim Railway |
| Bombay and Moira Railroad | | | 1898 | 1898 | N/A (operated by Ogdensburg and Lake Champlain Railroad) |
| Boston and Albany Railroad | B&A, BA | NYC | 1870 | 1961 | New York Central Railroad |
| Boston, Hartford and Erie Railroad | | NH | 1864 | 1874 | New York and New England Railroad |
| Boston, Hartford and Erie Extension Railroad | | NH | 1863 | 1864 | Boston, Hartford and Erie Railroad |
| Boston, Hartford and Erie Ferry Extension Railroad | | NH | 1864 | 1864 | Boston, Hartford and Erie Railroad |
| Boston, Hoosac Tunnel and Western Railway | | B&M | 1877 | 1892 | Fitchburg Railroad |
| Boston and Maine Corporation | BM | B&M | 1964 | | | Still exists as a lessor of Pan Am Railways operating subsidiary Springfield Terminal Railway |
| Boston and Maine Railroad | B&M, BM | B&M | 1900 | 1964 | Boston and Maine Corporation |
| Bradford, Eldred and Cuba Railroad | | | 1881 | 1893 | N/A |
| Bradford, Richburg and Cuba Railroad | | | 1881 | 1893 | N/A (operated by Bradford, Eldred and Cuba Railroad) |
| Brighton and Bensonhurst Railroad | | | 1892 | | N/A | Never operated |
| Brooklyn, Bath and Coney Island Railroad | | | 1862 | 1885 | Brooklyn, Bath and West End Railroad |
| Brooklyn, Bath and West End Railroad | | | 1885 | 1898 | Atlantic Avenue Railroad | Electrified in 1893 |
| Brooklyn and Brighton Beach Railroad | | | 1887 | 1899 | Sea View Railroad |
| Brooklyn Central and Jamaica Railroad | | LIRR | 1860 | 1865 | Brooklyn and Jamaica Railway |
| Brooklyn Eastern District Terminal | BEDT | | 1906 | 1983 | New York Cross Harbor Railroad Terminal Corporation |
| Brooklyn, Flatbush and Coney Island Railway | | | 1877 | 1887 | Brooklyn and Brighton Beach Railroad |
| Brooklyn and Jamaica Railroad | | LIRR | 1832 | 1860 | Brooklyn Central and Jamaica Railroad |
| Brooklyn and Jamaica Railway | | LIRR | 1866 | 1872 | Atlantic Avenue Railroad |
| Brooklyn and Montauk Railroad | | LI | 1879 | 1889 | Long Island Rail Road |
| Brooklyn and Rockaway Beach Railroad | | | 1863 | 1906 | Canarsie Railroad |
| Buffalo and Allegheny Valley Railroad | | PRR | 1853 | 1865 | Buffalo and Washington Railway |
| Buffalo, Attica and Arcade Railroad | | | 1894 | 1917 | Arcade and Attica Railroad |
| Buffalo and Black Rock Railroad | | NYC | 1833 | 1834 | Buffalo and Niagara Falls Railroad |
| Buffalo, Bradford and Pittsburgh Railroad | | ERIE | 1859 | 1941 | Erie Railroad |
| Buffalo Branch of the Erie Railway | | ERIE | 1861 | 1862 | Erie Railway |
| Buffalo, Chautauqua Lake and Pittsburgh Railway | | PRR | 1879 | 1880 | Pittsburgh, Titusville and Buffalo Railway |
| Buffalo, Cleveland and Chicago Railway | | NKP | 1881 | 1881 | New York, Chicago and St. Louis Railway |
| Buffalo and Cohocton Valley Railway | | ERIE | 1850 | 1852 | Buffalo, Corning and New York Railroad |
| Buffalo, Corning and New York Railroad | | ERIE | 1852 | 1857 | Buffalo, New York and Erie Railroad |
| Buffalo, Corry and Pittsburgh Railroad | | PRR | 1867 | 1872 | Dunkirk, Chautauqua Lake and Pittsburgh Railroad |
| Buffalo Creek Railroad | BCK | ERIE/ LV | 1869 | 1983 | Consolidated Rail Corporation |
| Buffalo Creek Transfer Railroad | | | 1881 | 1914 | N/A |
| Buffalo and Erie Railroad | | NYC | 1867 | 1869 | Lake Shore and Michigan Southern Railway |
| Buffalo Erie Basin Railroad | | NYC | 1876 | 1913 | New York Central and Hudson River Railroad |
| Buffalo Extension of the Atlantic and Great Western Railway | | ERIE | 1864 | 1865 | Atlantic and Great Western Railway |
| Buffalo and Geneva Railroad | | LV | 1889 | 1890 | Lehigh Valley Railway |
| Buffalo and Jamestown Railroad | | ERIE | 1872 | 1877 | Buffalo and South Western Railroad |
| Buffalo and Lockport Railroad | | NYC | 1852 | 1853 | New York Central Railroad |
| Buffalo and New York City Railroad | | ERIE | 1851 | 1861 | Buffalo Branch of the Erie Railway, Buffalo, New York and Erie Railroad |
| Buffalo, New York and Erie Railroad | | ERIE | 1857 | 1896 | Erie Railroad |
| Buffalo, New York and Philadelphia Railroad | | PRR | 1883 | 1887 | Western New York and Pennsylvania Railway of New York |
| Buffalo, New York and Philadelphia Railway | | PRR | 1871 | 1883 | Buffalo, New York and Philadelphia Railroad |
| Buffalo and Niagara Falls Railroad | | NYC | 1834 | 1869 | New York Central Railroad |
| Buffalo and Oil Creek Cross Cut Railroad | | PRR | 1865 | 1867 | Buffalo, Corry and Pittsburgh Railroad |
| Buffalo and Pittsburgh Railroad | | ERIE | 1852 | 1859 | Buffalo, Bradford and Pittsburgh Railroad |
| Buffalo, Pittsburgh and Western Railroad | | PRR | 1881 | 1883 | Buffalo, New York and Philadelphia Railroad |
| Buffalo, Pittsburgh and Western Railway | | PRR | 1880 | 1881 | Buffalo, Pittsburgh and Western Railroad |
| Buffalo and Rochester Railroad | | NYC | 1850 | 1853 | New York Central Railroad |
| Buffalo, Rochester and Pittsburgh Railroad | | B&O | 1885 | 1887 | Buffalo, Rochester and Pittsburgh Railway |
| Buffalo, Rochester and Pittsburgh Railroad | | B&O | 1881 | 1881 | Rochester and Pittsburgh Railroad |
| Buffalo, Rochester and Pittsburgh Railway | BR&P | B&O | 1887 | | | Still exists as a nonoperating subsidiary of CSX Transportation, leased to the Buffalo and Pittsburgh Railroad |
| Buffalo and South Western Railroad | | ERIE | 1877 | 1895 | Erie Railroad |
| Buffalo and State Line Railroad | | NYC | 1848 | 1867 | Buffalo and Erie Railroad |
| Buffalo and Susquehanna Railroad | | B&O | 1954 | 1954 | Baltimore and Ohio Railroad |
| Buffalo and Susquehanna Railroad | B&S | B&O | 1910 | 1932 | Baltimore and Ohio Railroad |
| Buffalo and Susquehanna Railroad | | B&O | 1896 | 1907 | Buffalo and Susquehanna Railway |
| Buffalo and Susquehanna Railway | | | 1902 | 1915 | Wellsville and Buffalo Railroad |
| Buffalo, Thousand Islands & Portland Railroad | | NYC | 1850 | 1907 | Rome, Watertown and Ogdensburg Railroad |
| Buffalo and Washington Railroad | | PRR | 1865 | 1865 | Buffalo and Washington Railway |
| Buffalo and Washington Railway | | PRR | 1865 | 1871 | Buffalo, New York and Philadelphia Railway |
| Bush Terminal Railroad | | | 1903 | | |
| Cairo Railroad | | | 1884 | 1918 | N/A (operated by Catskill Mountain Railroad) |
| Campbell Hall Connecting Railroad | | LNE | 1889 | 1961 | N/A |
| Canada Southern Railway | CASO | NYC | 1883 | 1904 | Michigan Central Railroad |
| Canajoharie and Catskill Railroad | | | 1830 | 1842 | Catskill Mountain Railroad |
| Canal Railroad | | LV | 1878 | 1905 | Lehigh Valley Railway |
| Canandaigua and Corning Railroad | | PRR | 1845 | 1852 | Canandaigua and Elmira Railroad |
| Canandaigua and Elmira Railroad | | PRR | 1852 | 1857 | Elmira, Canandaigua and Niagara Falls Railroad |
| Canandaigua Lake Railroad | | PRR | 1887 | 1888 | Elmira and Lake Ontario Railroad |
| Canandaigua and Niagara Falls Railroad | | NYC | 1851 | 1857 | Niagara Bridge and Canandaigua Railroad |
| Canarsie Railroad | | | 1906 | 1912 | New York Consolidated Railroad | Electrified in 1906 |
| Canastota Northern Railroad | | LV | 1886 | 1905 | Elmira, Cortland and Northern Railroad |
| Carthage and Adirondack Railway | | NYC | 1883 | 1913 | New York Central and Hudson River Railroad |
| Carthage and Copenhagen Railroad | | | 1906 | 1917 | Deer River Railroad |
| Carthage, Watertown and Sackets Harbor Railroad | | NYC | 1869 | 1913 | New York Central and Hudson River Railroad |
| Castleton and West Stockbridge Railroad | | NYC | 1834 | 1836 | Albany and West Stockbridge Railroad |
| Catskill Mountain Railroad | | | 1917 | 1918 | N/A |
| Catskill Mountain Railroad | | | 1880 | 1885 | Catskill Mountain Railway |
| Catskill Mountain Railway | | | 1885 | 1916 | Catskill Mountain Railroad |
| Catskill and Tannersville Railway | | | 1892 | 1916 | Catskill Mountain Railroad |
| Cayuga Railway | | LV | 1874 | 1877 | Cayuga Southern Railroad |
| Cayuga Lake Railroad | | LV | 1867 | 1874 | Cayuga Railway |
| Cayuga Southern Railroad | | LV | 1877 | 1879 | Geneva, Ithaca and Sayre Railroad |
| Cayuga and Susquehanna Railroad | | DL&W | 1843 | 1946 | Delaware, Lackawanna and Western Railroad |
| Cazenovia and Canastota Railroad | | LV | 1868 | 1873 | Cazenovia and Canastota Railway |
| Cazenovia and Canastota Railway | | LV | 1873 | 1873 | Cazenovia, Canastota and De Ruyter Railroad |
| Cazenovia, Canastota and De Ruyter Railroad | | LV | 1873 | 1876 | Cazenovia, Canastota and De Ruyter Railway |
| Cazenovia, Canastota and De Ruyter Railway | | LV | 1876 | 1884 | Elmira, Cortland and Northern Railroad |
| Cazenovia and De Ruyter Railroad | | LV | 1872 | 1873 | Cazenovia, Canastota and De Ruyter Railroad |
| Central Railroad Extension Company | | LI | 1873 | 1882 | Long Island Rail Road |
| Central Railroad of Long Island | | LI | 1871 | 1879 | Long Island Rail Road |
| Central New England Railway | CNE | NH | 1899 | 1927 | New York, New Haven and Hartford Railroad |
| Central New England and Western Railroad | | NH | 1889 | 1892 | Philadelphia, Reading and New England Railroad |
| Central New York and Northern Railroad | | PS&N | 1899 | 1899 | Central New York and Western Railroad |
| Central New York Southern Railroad | | | 1914 | 1923 | N/A |
| Central New York and Western Railroad | | PS&N | 1892 | 1899 | Pittsburg, Shawmut and Northern Railroad |
| Central Valley Railroad | | | 1870 | 1875 | N/A |
| Central Vermont Railroad | | CN | 1873 | 1899 | Central Vermont Railway |
| Central Vermont Railway | CV | CN | 1898 | 1962 | N/A |
| Champagne Railroad | CGNE | | 1993 | 1996 | Livonia, Avon and Lakeville Railroad |
| Champlain and St. Lawrence Railroad | | CN | 1851 | 1960 | Canadian National Railway |
| Chateaugay Railroad | | D&H | 1879 | 1903 | Chateaugay and Lake Placid Railway |
| Chateaugay Railway | | D&H | 1887 | 1903 | Chateaugay and Lake Placid Railway |
| Chateaugay and Lake Placid Railway | | D&H | 1903 | 1957 | Delaware and Hudson Railroad |
| Chatham and Lebanon Valley Railroad | | RUT | 1899 | 1901 | Rutland Railroad |
| Chautauqua Lake Railway | | | 1886 | 1894 | Jamestown and Lake Erie Railway |
| Chemung Railroad | | PRR | 1845 | 1886 | Elmira and Lake Ontario Railroad |
| Cherry Valley and Mohawk River Railroad | | D&H | 1864 | 1869 | Cherry Valley, Sharon and Albany Railroad |
| Cherry Valley, Sharon and Albany Railroad | | D&H | 1869 | 1908 | Delaware and Hudson Company |
| Cherry Valley and Sprakers Railroad | | D&H | 1860 | 1864 | Cherry Valley and Mohawk River Railroad |
| Chesapeake and Ohio Railway | C&O, CO | C&O | 1947 | 1987 | CSX Transportation |
| Clayton and Theresa Railroad | | NYC | 1871 | 1886 | Utica and Black River Railroad |
| Clove Branch Railroad | | | 1868 | 1898 | N/A (operated by Newburgh, Dutchess and Connecticut Railroad) |
| Conesus Lake Railroad | | ERIE | 1882 | 1932 | Erie Railroad |
| Coney Island and East River Railway | | | 1876 | 1877 | Brooklyn, Flatbush and Coney Island Railway |
| Conhocton Valley Railroad | | | 2001 | 2001 | B&H Rail Corporation |
| Connecting Terminal Railroad | | PRR | 1881 | 1931 | Western New York and Pennsylvania Railway |
| Consolidated Rail Corporation | CR | | 1976 | 1999 | CSX Transportation, Norfolk Southern Railway |
| Cooperstown and Charlotte Valley Railroad | | D&H | 1888 | 1957 | Delaware and Hudson Railroad |
| Cooperstown and Charlotte Valley Railway | CACV | | 1971 | 1989 | N/A |
| Cooperstown and Susquehanna Valley Railroad | | D&H | 1865 | 1957 | Delaware and Hudson Railroad |
| Corning and Blossburg Railroad | | NYC | 1851 | 1852 | Blossburg and Corning Railroad |
| Corning, Cowanesque and Antrim Railway | | NYC | 1873 | 1892 | Fall Brook Railway |
| Cornwall Bridge Company | | NYC | 1897 | 1917 | New York Central Railroad |
| Cranberry Lake Railroad | | | 1902 | 1914 | N/A |
| Danbury Terminal Railroad | DTRR | | 1993 | 1996 | Housatonic Railroad |
| Dansville and Mount Morris Railroad | D&MM, DMM | | 1891 | | | Still exists as a nonoperating subsidiary of the Rochester and Southern Railroad |
| Deer River Railroad | | | 1917 | 1918 | N/A |
| Degnon Terminal Railroad | | LIRR | 1913 | 1928 | Long Island Rail Road |
| Delaware and Eastern Railroad | | | 1904 | 1911 | Delaware and Northern Railroad |
| Delaware and Eastern Railway | | | 1907 | 1911 | Delaware and Northern 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 | 1867 | 1899 | Delaware and Hudson Company |
| Delaware, Lackawanna and Western Railroad | DL&W, DLW | DL&W | 1870 | 1960 | Erie–Lackawanna Railroad |
| Delaware and Northern Railroad | D&N | | 1911 | 1928 | Delaware and Northern Railway |
| Delaware and Northern Railway | D&N | | 1928 | 1942 | N/A |
| Delaware and Otsego Railroad | | NYC | 1887 | 1901 | Ulster and Delaware Railroad |
| Depew and Tonawanda Railroad | | LV | 1895 | 1903 | Lehigh Valley Railway |
| Dexter and Northern Railroad | | | 1908 | 1956 | N/A |
| Direct Railway between Syracuse and Rochester | | NYC | 1848 | 1850 | Rochester and Syracuse Railroad |
| Dolgeville and Salisbury Railway | | NYC | 1907 | 1917 | New York Central Railroad |
| Dunkirk, Allegheny Valley and Pittsburgh Railroad | | NYC | 1873 | 1914 | New York Central Railroad |
| Dunkirk, Chautauqua Lake and Pittsburgh Railroad | | PRR | 1879 | 1879 | Buffalo, Chautauqua Lake and Pittsburgh Railway |
| Dunkirk and State Line Railroad | | NYC | 1850 | 1851 | Buffalo and State Line Railroad |
| Dunkirk, Warren and Pittsburgh Railroad | | NYC | 1867 | 1870 | Dunkirk, Warren and Pittsburgh Railway |
| Dunkirk, Warren and Pittsburgh Railway | | NYC | 1870 | 1873 | Dunkirk, Allegheny Valley and Pittsburgh Railroad |
| Dutchess and Columbia Railroad | | NH | 1866 | 1872 | New York, Boston and Northern Railway |
| Dutchess County Railroad | | NH | 1890 | 1907 | Central New England Railway |
| East River Terminal Railroad | | | 1907 | 1916 | Brooklyn Eastern District Terminal |
| Ellenville and Kingston Railroad | | NH | 1901 | 1957 | N/A |
| Elmira, Canandaigua and Niagara Falls Railroad | | PRR | 1857 | 1858 | Elmira, Jefferson and Canandaigua Railroad |
| Elmira, Cortland and Northern Railroad | | LV | 1884 | 1905 | Lehigh Valley Railway |
| Elmira, Jefferson and Canandaigua Railroad | | PRR | 1859 | 1886 | Elmira and Lake Ontario Railroad |
| Elmira and Lake Ontario Railroad | | PRR | 1886 | 1956 | Northern Central Railway |
| Elmira State Line Railroad | | ERIE | 1872 | 1942 | N/A |
| Elmira and Williamsport Railroad | | PRR | 1860 | 1969 | Penndel Company |
| Erie Railroad | ERIE | ERIE | 1895 | 1960 | Erie–Lackawanna Railroad |
| Erie Railway | | ERIE | 1861 | 1878 | New York, Lake Erie and Western Railroad |
| Erie and Black Rock Railroad | | ERIE | 1882 | 1932 | Erie Railroad |
| Erie and Central New York Railroad | | DL&W | 1902 | 1945 | Delaware, Lackawanna and Western Railroad |
| Erie and Central New York Railway | | DL&W | 1863 | 1902 | Erie and Central New York Railroad |
| Erie and Genesee Valley Railroad | | ERIE | 1868 | 1891 | Dansville and Mount Morris Railroad |
| Erie International Railway | | ERIE | 1872 | 1895 | Erie Railroad |
| Erie and Jersey Railroad | | ERIE | 1905 | 1915 | Erie Railroad |
| Erie–Lackawanna Railroad | EL | | 1960 | 1968 | Erie Lackawanna Railway |
| Erie Lackawanna Railway | EL | | 1968 | 1976 | Consolidated Rail Corporation |
| Erie and New York City Railroad | | ERIE | 1851 | 1860 | Atlantic and Great Western Railroad |
| Erie Terminals Railroad | | ERIE | 1907 | 1915 | Erie Railroad |
| Fall Brook Railway | | NYC | 1892 | 1909 | Geneva, Corning and Southern Railroad |
| Far Rockaway Branch Railroad | | LI | 1868 | 1872 | South Side Railroad of Long Island |
| Fitchburg Railroad | | B&M | 1887 | 1919 | Boston and Maine Railroad |
| Flatbush and Coney Island Park and Concourse Railroad | | | 1876 | 1877 | Brooklyn, Flatbush and Coney Island Railway |
| Flushing Railroad | | LI | 1852 | 1859 | New York and Flushing Railroad |
| Flushing and North Side Railroad | | LI | 1868 | 1881 | Long Island City and Flushing Railroad |
| Flushing and Woodside Railroad | | LI | 1864 | 1871 | Flushing and North Side Railroad |
| Fonda, Johnstown and Gloversville Railroad | FJG | | 1867 | 1984 | N/A |
| Friendship Railroad | | PS&N | 1880 | 1881 | Allegany Central Railroad |
| Fulton Chain Railroad | | NYC | 1896 | 1902 | Fulton Chain Railway |
| Fulton Chain Railway | | NYC | 1902 | 1937 | New York Central Railroad |
| Fulton and Oswego Railroad | | NYC | 1885 | 1886 | Syracuse, Phoenix and Oswego Railway |
| Garnerville Railroad | | ERIE | 1875 | | N/A |
| Genesee Falls Railway | | NYC | 1886 | | |
| Genesee River Railroad | | ERIE | 1905 | 1915 | Erie Railroad |
| Genesee Valley Canal Railroad | | PRR | 1880 | 1912 | Pennsylvania and Rochester Railroad |
| Genesee Valley Terminal Railroad | | PRR | 1882 | 1912 | Pennsylvania and Rochester Railroad |
| Genesee and Wyoming Railroad | GNW, GNWR | | 1899 | | | Still exists as a nonoperating subsidiary of the Rochester and Southern Railroad |
| Genesee and Wyoming Valley Railway | | | 1891 | 1899 | Genesee and Wyoming Railroad |
| Geneseo Valley Railroad | | ERIE | 1857 | 1860 | Avon, Geneseo and Mount Morris Railroad |
| Geneva, Corning and Southern Railroad | | NYC | 1909 | 1914 | New York Central Railroad |
| Geneva, Corning and Southern Railway | | NYC | 1875 | 1909 | Geneva, Corning and Southern Railroad |
| Geneva and Hornellsville Railway | | PRR | 1875 | 1876 | Geneva, Hornellsville and Pine Creek Railway |
| Geneva, Hornellsville and Pine Creek Railway | | PRR | 1876 | 1879 | Lake Ontario Southern Railway |
| Geneva and Ithaca Railroad | | LV | 1870 | 1874 | Geneva, Ithaca and Athens Railroad |
| Geneva, Ithaca and Athens Railroad | | LV | 1874 | 1876 | Geneva, Ithaca and Sayre Railroad |
| Geneva, Ithaca and Sayre Railroad | | LV | 1876 | 1889 | Geneva and Sayre Railroad |
| Geneva and Lyons Railroad | | NYC | 1877 | 1890 | New York Central and Hudson River Railroad |
| Geneva and Sayre Railroad | | LV | 1889 | 1890 | Geneva and Van Ettenville Railway |
| Geneva and Southwestern Railway | | PRR | 1871 | 1875 | Geneva and Hornellsville Railway |
| Geneva Southwestern and Hornellsville Railway | | PRR | 1872 | 1875 | Geneva and Hornellsville Railway |
| Geneva and Van Ettenville Railway | | LV | 1889 | 1890 | Lehigh Valley Railway |
| Glen Cove Branch Rail Road | | LI | 1865 | | Long Island Rail Road |
| Glendale and East River Railroad | | LI | 1874 | 1928 | Long Island Rail Road |
| Glenfield and Western Railroad | | | 1901 | | N/A |
| Glens Falls Railroad | | D&H | 1867 | 1906 | Rensselaer and Saratoga Railroad |
| Gloversville and Broadalbin Railroad | | | 1895 | 1931 | Fonda, Johnstown and Gloversville Railroad |
| Gloversville and Northville Railroad | | | 1872 | 1881 | Fonda, Johnstown and Gloversville Railroad |
| Goshen and Deckertown Railway | | ERIE | 1868 | 1954 | Erie Railroad |
| Gouverneur and Oswegatchie Railroad | | NYC | 1892 | 1913 | New York Central and Hudson River Railroad |
| Grand Trunk Railway | GT | CN | 1864 | 1923 | Canadian National Railway |
| Grasse River Railroad | GR | | 1915 | 1959 | N/A |
| Great Neck and Port Washington Railroad | | LI | 1896 | 1902 | Long Island Rail Road |
| Great Valley and Bradford Railroad | | B&O | 1881 | 1881 | Rochester and Pittsburgh Railroad |
| Great Western Railway | | CN | 1855 | 1882 | Grand Trunk Railway |
| Greigsville and Pearl Creek Railroad | | | 1897 | 1899 | N/A |
| Greene Railroad | | DL&W | 1869 | 1946 | Delaware, Lackawanna and Western Railroad |
| Greenwich and Johnsonville Railroad | | D&H | 1874 | 1879 | Greenwich and Johnsonville Railway |
| Greenwich and Johnsonville Railway | G&J, GJ | D&H | 1879 | 1982 | Batten Kill Railroad |
| Greenwood and Coney Island Railroad | | | 1872 | 1874 | Prospect Park and Coney Island Railroad |
| Hackensack and New York Extension Railroad | | ERIE | 1869 | 1873 | New Jersey and New York Railway |
| Halite and Northern Railroad | | | 1910 | 1933 | N/A (operated by Genesee and Wyoming Railroad) |
| Hancock and East Branch Railroad | | | 1906 | 1907 | Delaware and Eastern Railway |
| Hancock and Pennsylvania Railroad | | NH | 1889 | 1889 | Ontario, Carbondale and Scranton Railway |
| Harlem Extension Railroad | | RUT | 1870 | 1873 | New York, Boston and Montreal Railway |
| Harlem Extension Railroad South Coal Transportation Company | | RUT | 1877 | 1880 | N/A | Leased the New York, Boston and Montreal Railway |
| Harlem River and Port Chester Railroad | | NH | 1866 | 1927 | New York, New Haven and Hartford Railroad |
| Hartford and Connecticut Western Railroad | | NH | 1882 | 1947 | New York, New Haven and Hartford Railroad |
| Hayts Corners, Ovid and Willard Railroad | | LV | 1882 | 1959 | N/A |
| Hempstead and Rockaway Railroad | | LIRR | 1869 | 1871 | New York and Hempstead Railroad |
| Herkimer, Newport and Poland Railway | | NYC | 1891 | 1892 | Mohawk and Malone Railway |
| Herkimer, Newport and Poland Extension Railway | | NYC | 1891 | 1892 | Mohawk and Malone Railway |
| Herkimer, Newport and Poland Narrow Gauge Railway | | NYC | 1880 | 1891 | Herkimer, Newport and Poland Railway |
| Hicksville and Cold Spring Branch Railroad | | LI | 1853 | 1870 | Long Island Rail Road |
| Hobart Branch Railroad | | NYC | 1884 | 1901 | Ulster and Delaware Railroad |
| Hoosac Tunnel and Saratoga Railway | | B&M | 1881 | 1886 | Troy, Saratoga and Northern Railroad |
| Hudson and Berkshire Railroad | | NYC | 1832 | 1854 | Hudson and Boston Railroad |
| Hudson and Boston Railroad | | NYC | 1855 | 1870 | Boston and Albany Railroad |
| Hudson Connecting Railroad | | NH | 1887 | 1889 | Central New England and Western Railroad |
| Hudson Light and Power and Railroad Company | | | 1899 | 1899 | Albany and Hudson Railway and Power Company |
| Hudson River Railroad | | NYC | 1846 | 1869 | New York Central and Hudson River Railroad |
| Hudson River Bridge Company at Albany | | NYC | 1856 | 1976 | Consolidated Rail Corporation |
| Hudson River Connecting Railroad | | NYC | 1913 | 1964 | New York Central Railroad |
| Hudson River West Shore Railroad | | NYC | 1867 | 1868 | West Shore Hudson River Railroad |
| Hunter's Point and South Side Railroad | | LI | 1870 | 1872 | South Side Railroad of Long Island |
| International Bridge Company | | CN | 1857 | 1956 | Canadian National Railway |
| Island Railroad | | | 1883 | | |
| Ithaca and Athens Railroad | | LV | 1870 | 1874 | Geneva, Ithaca and Athens Railroad |
| Ithaca, Auburn and Western Railroad | | LV | 1876 | 1890 | Auburn and Ithaca Railway |
| Ithaca and Cortland Railroad | | LV | 1869 | 1871 | Utica, Ithaca and Elmira Railroad |
| Ithaca and Owego Railroad | | DL&W | 1828 | 1843 | Cayuga and Susquehanna Railroad |
| Ithaca and Tonawanda Railroad | | LV | 1865 | 1870 | Ithaca and Athens Railroad |
| Jamaica and South Shore Railroad | | LI | 1903 | 1912 | Long Island Rail Road |
| Jamestown and Chautauqua Railway | | | 1898 | 1913 | Jamestown, Westfield and Northwestern Railroad |
| Jamestown, Chautauqua and Lake Erie Railway | | | 1900 | 1913 | Jamestown, Westfield and Northwestern Railroad |
| Jamestown and Lake Erie Railway | | | 1894 | 1898 | Jamestown and Chautauqua Railway |
| Jamestown, Westfield and Northwestern Railroad | | | 1913 | 1950 | N/A | Electric from 1914 to 1947 |
| Jay Street Connecting Railroad | | | 1909 | | |
| Jay Street Extension Railroad | | | 1916 | 1916 | Jay Street Connecting Railroad |
| Jersey City and Albany Railroad | | NYC | 1873 | 1877 | Jersey City and Albany Railway |
| Jersey City and Albany Railway | | NYC | 1878 | 1881 | North River Railroad |
| Junction Railroad | | NYC | 1870 | 1879 | New York Central and Hudson River Railroad |
| Kaaterskill Railroad | | NYC | 1882 | 1901 | Ulster and Delaware Railroad |
| Kanona and Prattsburg Railroad | | | 1886 | 1893 | Kanona and Prattsburg Railway |
| Kanona and Prattsburg Railway | | | 1897 | 1917 | Prattsburg Railway |
| Keeseville, Ausable Chasm and Lake Champlain Railroad | | | 1889 | 1924 | N/A | Electric from 1905 to 1911 |
| Kinderhook and Hudson Railway | | | 1889 | 1899 | Hudson Light and Power and Railroad Company |
| Kings County Central Railroad | | | 1876 | 1878 | N/A |
| Lackawanna and Pittsburgh Railroad | | PS&N | 1882 | 1889 | Lackawanna and Southwestern Railroad |
| Lackawanna and Southwestern Railroad | | PS&N | 1889 | 1892 | Central New York and Western Railroad |
| Lackawanna and Susquehanna Railroad | | D&H | 1867 | | |
| Lake Champlain and Moriah Railroad | | | 1867 | 1968 | N/A |
| Lake Ontario Railroad | | NYC | 1874 | 1875 | Rome, Watertown and Ogdensburg Railroad |
| Lake Ontario and Hudson River Railroad | | D&H | 1857 | 1860 | Adirondac Estate and Railroad Company |
| Lake Ontario Shore Railroad | | NYC | 1868 | 1874 | Lake Ontario Railroad |
| Lake Ontario Southern Railway | | PRR | 1879 | 1882 | Sodus Bay and Southern Railroad |
| Lake Shore and Michigan Southern Railway | | NYC | 1869 | 1914 | New York Central Railroad |
| Lebanon Springs Railroad | | RUT | 1893 | 1899 | Chatham and Lebanon Valley Railroad |
| Lebanon Springs Railroad | | RUT | 1852 | 1870 | Harlem Extension Railroad |
| Lehigh – Buffalo Terminal Railway | | LV | 1915 | | |
| Lehigh and Hudson River Railway | L&HR, LHR | L&HR | 1882 | 1976 | Consolidated Rail Corporation |
| Lehigh and Lake Erie Railroad | | LV | 1896 | 1907 | Lehigh Valley Railway |
| Lehigh and New England Railroad | LNE | LNE | 1895 | 1961 | N/A |
| Lehigh and New York Railroad | | LV | 1895 | 1949 | Lehigh Valley Railroad |
| Lehigh Valley Railroad | LV | LV | 1888 | 1976 | Consolidated Rail Corporation |
| Lehigh Valley Railway | | LV | 1882 | 1949 | Lehigh Valley Railroad |
| Lewiston Railroad | | NYC | 1836 | 1855 | New York Central Railroad |
| Lincoln Park and Charlotte Railroad | | B&O | 1888 | 1899 | Buffalo, Rochester and Pittsburgh Railway |
| Little Falls and Dolgeville Railroad | | NYC | 1891 | 1913 | New York Central and Hudson River Railroad |
| Lockport and Buffalo Railway | | ERIE | 1871 | 1895 | Erie Railroad |
| Lockport and Niagara Falls Railroad | | NYC | 1834 | 1850 | Rochester, Lockport and Niagara Falls Railroad |
| Long Island Rail Road | LI | LI | 1834 | 1997 | New York and Atlantic Railway | Still exists as a passenger railroad |
| Long Island Railroad North Shore Branch | | LI | 1892 | 1921 | Long Island Rail Road |
| Long Island City and Flushing Railroad | | LI | 1881 | 1889 | Long Island Rail Road |
| Long Island City and Manhattan Beach Railroad | | LI | 1883 | 1885 | New York, Brooklyn and Manhattan Beach Railway |
| Mahopac Falls Railroad | | NYC | 1884 | 1913 | New York and Putnam Railroad |
| Malone and St. Lawrence Railway | | NYC | 1891 | 1895 | St. Lawrence and Adirondack Railway |
| Marcellus Electric Railroad | | | 1887 | 1905 | Marcellus and Otisco Lake Railway |
| Marcellus and Otisco Company | | | 1919 | 1959 | N/A |
| Marcellus and Otisco Lake Railway | | | 1905 | 1920 | Marcellus and Otisco Company |
| Marion Railway | | PRR | 1917 | 1931 | Elmira and Lake Ontario Railroad |
| Massena Springs and Fort Covington Railroad | | CN | 1884 | 1888 | United States and Canada Railroad |
| Mayville Extension Railroad | | | 1881 | 1887 | Chautauqua Lake Railway |
| Mechanicville and Fort Edward Railroad | | B&M | 1880 | | |
| Michigan Central Railroad | MC | NYC | 1904 | 1930 | New York Central Railroad |
| Middleburgh and Schoharie Railroad | | | 1867 | 1936 | N/A |
| Middlesex Valley Railroad | | LV | 1892 | 1903 | Lehigh Valley Railway |
| Middletown and Crawford Railroad | | ERIE | 1868 | 1932 | Erie Railroad |
| Middletown and New Jersey Railway | MNJ | | 1947 | 2009 | Middletown and New Jersey Railroad |
| Middletown and Unionville Railroad | M&U, MU | | 1913 | 1947 | Middletown and New Jersey Railway |
| Middletown, Unionville and Water Gap Railroad | | ERIE | 1866 | 1913 | Middletown and Unionville Railroad |
| Midland Railroad of New Jersey | | ERIE | 1880 | 1881 | New York, Susquehanna and Western Railroad |
| Mohawk and Adirondack Railroad | | NYC | 1891 | 1891 | Herkimer, Newport and Poland Extension Railway, St. Lawrence and Adirondack Railroad |
| Mohawk and Hudson Railroad | | NYC | 1826 | 1847 | Albany and Schenectady Railroad |
| Mohawk and Malone Railway | | NYC | 1892 | 1913 | New York Central and Hudson River Railroad |
| Mohawk Valley Railroad | | NYC | 1851 | 1853 | New York Central Railroad |
| Mohawk Valley and Northern Railway | | NYC | 1890 | 1891 | Herkimer, Newport and Poland Narrow Gauge Railway |
| Montauk Extension Railroad | | LI | 1893 | 1902 | Long Island Rail Road |
| Montclair Railway | | ERIE | 1867 | 1875 | Montclair and Greenwood Lake Railway |
| Montclair and Greenwood Lake Railway | | ERIE | 1875 | 1878 | New York and Greenwood Lake Railway |
| Montgomery and Erie Railway | | ERIE | 1866 | 1954 | Erie Railroad |
| Monticello and Port Jervis Railway | | NH | 1869 | 1875 | Port Jervis and Monticello Railroad |
| Montreal and Champlain Railroad | | CN | 1857 | 1864 | Grand Trunk Railway |
| Montreal and Plattsburgh Railroad | | D&H | 1868 | 1873 | New York and Canada Railroad |
| Mount McGregor Railroad | | | 1889 | 1897 | Saratoga and Mount McGregor Railway |
| Nanuet and New City Railroad | | ERIE | 1871 | | New Jersey and New York Railroad |
| Napierville Junction Railway | NJ | D&H | | | | Still exists as a nonoperating subsidiary of the Canadian Pacific Railway |
| New England Railroad | | NH | 1895 | 1908 | New York, New Haven and Hartford Railroad |
| New Jersey Midland Railway | | ERIE | 1874 | 1880 | Midland Railroad of New Jersey |
| New Jersey and New York Railroad | | ERIE | 1880 | 1967 | Erie–Lackawanna Railroad |
| New Jersey and New York Railway | | ERIE | 1873 | 1880 | New Jersey and New York Railroad |
| New Jersey and New York Extension Railroad | | ERIE | 1886 | 1936 | New Jersey and New York Railroad |
| New York and Albany Railroad | | NYC | 1832 | 1846 | New York and Harlem Railroad |
| New York and Atlantic Railway | | | 1880 | 1887 | West Brooklyn Railroad |
| New York, Auburn and Lansing Railroad | | | 1900 | 1914 | Central New York Southern Railroad |
| New York Bay Extension Railroad | | LI | 1892 | 1902 | Long Island Rail Road |
| New York, Bay Ridge and Jamaica Railroad | | LI | 1875 | 1885 | New York, Brooklyn and Manhattan Beach Railway |
| New York and Boston Railroad | | NYC | 1869 | 1872 | New York, Boston and Northern Railway |
| New York, Boston and Montreal Railway | | NH, NYC, RUT | 1873 | 1876 | Bennington and Rutland Railway, New York, Rutland and Montreal Railroad, New York, Westchester and Putnam Railway, Newburgh, Dutchess and Connecticut Railroad |
| New York, Boston and Northern Railway | | NH, NYC | 1872 | 1873 | New York, Boston and Montreal Railway |
| New York and Brighton Beach Railway | | | 1878 | 1884 | Sea Beach and Brighton Railroad |
| New York, Brooklyn and Manhattan Beach Railway | | LI | 1885 | 1925 | Long Island Rail Road |
| New York and Canada Railroad | | D&H | 1872 | 1908 | Delaware and Hudson Company |
| New York Central Railroad | NYC | NYC | 1914 | 1968 | Penn Central Transportation Company |
| New York Central Railroad | | NYC | 1853 | 1869 | New York Central and Hudson River Railroad |
| New York Central and Hudson River Railroad | | NYC | 1869 | 1914 | New York Central Railroad |
| New York Central Niagara River Railroad | | NYC | 1877 | 1913 | New York Central and Hudson River 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 | New York, Chicago and St. Louis Railroad |
| New York City and Northern Railroad | | NYC | 1878 | 1887 | New York and Northern Railway |
| New York and Coney Island Railroad | | | 1879 | | South Brooklyn Railway | Electrified in 1899 |
| New York Connecting Railroad | NYCN | NH/ PRR | 1892 | 1976 | Consolidated Rail Corporation |
| New York Cross Harbor Railroad Terminal Corporation | NYCH | | 1983 | 2006 | New York New Jersey Rail, LLC |
| New York Dock Railway | NYD | | 1910 | 1983 | New York Cross Harbor Railroad Terminal Corporation |
| New York and Eastern Railway | NYER | | 2003 | 2004 | N/A | Never operated |
| New York and Erie Railroad | | ERIE | 1832 | 1861 | Erie Railway |
| New York and Flushing Railroad | | LI | 1859 | 1891 | Long Island Rail Road |
| New York and Greenwood Lake Railway | | ERIE | 1878 | 1943 | Erie Railroad |
| New York and Harlem Railroad | | NYC | 1831 | | | Still exists as a lessor of the Metro-North Commuter Railroad |
| New York and Hempstead Railroad | | LIRR | 1871 | 1875 | Southern Hempstead Branch Railroad |
| New York and Hempstead Plains Railroad | | LIRR | 1870 | 1871 | New York and Hempstead Railroad |
| New York, Housatonic and Northern Railroad | | | 1863 | 1881 | Westchester Railway |
| New York and Jamaica Railroad | | LI | 1859 | 1860 | Long Island Rail Road |
| New York, Kingston and Syracuse Railroad | | NYC | 1872 | 1875 | Ulster and Delaware Railroad |
| 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 and Long Beach Railroad | | LI | 1880 | 1907 | Long Island Rail Road |
| New York and Mahopac Railroad | | NYC | 1871 | 1880 | New York and Harlem Railroad |
| New York and Manhattan Beach Railway | | LI | 1876 | 1885 | New York, Brooklyn and Manhattan Beach Railway |
| New York and Massachusetts Railway | | NH | 1887 | 1893 | Poughkeepsie and Eastern Railway |
| New York and New England Railroad | | NH | 1873 | 1895 | New England Railroad |
| New York and New Haven Railroad | | NH | 1846 | 1872 | New York, New Haven and Hartford Railroad |
| New York, New Haven and Hartford Railroad | NH | NH | 1872 | 1969 | Penn Central Transportation Company |
| New York and Northern Railway | | NYC | 1887 | 1893 | New York and Putnam Railroad |
| New York, Ontario and Western Railway | O&W, OW | NH | 1880 | 1957 | N/A |
| New York and Oswego Midland Railroad | | NH | 1866 | 1879 | Ithaca, Auburn and Western Railroad, New York, Ontario and Western Railway |
| New York and Ottawa Railroad | | NYC | 1897 | 1904 | New York and Ottawa Railway |
| New York and Ottawa Railway | | NYC | 1905 | 1913 | New York Central and Hudson River Railroad |
| New York, Pennsylvania and Ohio Railroad | | ERIE | 1880 | 1896 | Nypano Railroad |
| New York and Pennsylvania Railroad | | | 1896 | 1902 | New York and Pennsylvania Railway |
| New York and Pennsylvania Railway | | | 1904 | 1935 | N/A |
| New York and Putnam Railroad | | NYC | 1894 | 1913 | New York Central and Hudson River Railroad |
| New York and Rockaway Railroad | | LI | 1870 | 1903 | Jamaica and South Shore Railroad |
| New York and Rockaway Beach Railway | | LI | 1887 | 1921 | Long Island Rail Road |
| New York, Rutland and Montreal Railroad | | RUT | 1883 | 1893 | Lebanon Springs Railroad |
| New York and Sea Beach Railway | | | 1876 | 1896 | Sea Beach Railway |
| New York, Susquehanna and Western Railroad | | ERIE | 1881 | 1958 | N/A |
| New York, West Shore and Buffalo Railway | | NYC | 1880 | 1885 | West Shore Railroad |
| New York, West Shore and Chicago Railroad | | NYC | 1870 | 1879 | New York, West Shore and Buffalo Railway |
| New York, Westchester and Boston Railway (NYW&B) | | | 1912 | 1937 | N/A | Partly owned by the New York, New Haven and Hartford Railroad |
| New York, Westchester and Putnam Railway | | NYC | 1877 | 1878 | New York City and Northern Railroad |
| New York, Woodhaven and Rockaway Railroad | | LI | 1877 | 1887 | New York and Rockaway Beach Railway |
| Newark and Marion Railway | | PRR | 1900 | 1917 | Marion Railway |
| Newburgh, Dutchess and Connecticut Railroad | | NH | 1877 | 1907 | Central New England Railway |
| Newburgh and New York Railway | | ERIE | 1865 | 1895 | New York, Lake Erie and Western Railroad |
| Newton Falls and Northern Railroad | | | 1908 | 1919 | N/A |
| Newtown and Flushing Railroad | | LIRR | 1871 | 1876 | N/A |
| Niagara Bridge and Canandaigua Railroad | | NYC | 1858 | 1890 | New York Central and Hudson River Railroad |
| Niagara Falls Branch Railroad | | NYC | 1875 | 1913 | New York Central and Hudson River Railroad |
| Niagara Falls International Bridge Company | | CN | 1846 | | |
| Niagara Junction Railway | NJ, NIAJ | ERIE/ LV/ NYC | 1892 | 1976 | Consolidated Rail Corporation | Electrified in 1913 |
| Niagara River Bridge Company | | NYC | 1881 | 2002 | N/A | Still exists as an abandoned subsidiary of CNCP Niagara–Windsor Partnership, a nonoperating joint subsidiary of the Canadian National Railway and Canadian Pacific Railway |
| Nickel Plate Connecting Railroad | | NKP | 1917 | | |
| Norfolk and Western Railway | N&W, NW | | 1964 | 1998 | Norfolk Southern Railway |
| North River Railroad | | NYC | 1881 | 1881 | New York, West Shore and Buffalo Railway |
| North River Railway | | NYC | 1880 | 1881 | North River Railroad |
| North Shore Railroad | | LI | 1863 | 1884 | Long Island City and Flushing Railroad |
| Northern Railroad | | RUT | 1845 | 1865 | Ogdensburg and Lake Champlain Railroad |
| Northern Railroad of New Jersey | | ERIE | 1858 | 1943 | Erie Railroad |
| Northern Adirondack Railroad | | NYC | 1883 | 1895 | Northern New York Railroad |
| Northern Adirondack Extension Railroad | | NYC | 1886 | 1890 | Northern Adirondack Railroad |
| Northern Central Railway | | PRR | 1956 | 1976 | Consolidated Rail Corporation |
| Northern Central Railway | | PRR | 1863 | 1911 | Pennsylvania Railroad |
| Northern Extension of the Rochester, Nunda and Pennsylvania Railroad | | PRR | 1872 | 1872 | Rochester, Nunda and Pennsylvania Railroad |
| Northern New York Railroad | | NYC | 1895 | 1897 | New York and Ottawa Railroad |
| Norwood and Montreal Railroad | | NYC | 1884 | 1889 | Rome, Watertown and Ogdensburg Railroad |
| Norwood and St. Lawrence Railroad | NSL | | 1901 | 1974 | Ogdensburg and Norwood Railway |
| Nyack and Northern Railroad | | ERIE | 1868 | 1892 | Nyack and Southern Railroad |
| Nyack and Southern Railroad | | ERIE | 1899 | 1944 | Erie Railroad |
| Nypano Railroad | | ERIE | 1896 | 1941 | Erie Railroad |
| Ogdensburg and Lake Champlain Railroad | | RUT | 1864 | 1898 | Ogdensburg and Lake Champlain Railway |
| Ogdensburg and Lake Champlain Railway | | RUT | 1898 | 1899 | Rutland Railroad |
| Ogdensburg and Morristown Railroad | | NYC | 1871 | 1886 | Utica and Black River Railroad |
| Ogdensburg and Norwood Railway | ONRY | | 1965 | 1977 | St. Lawrence Railroad |
| Olean Railroad | | PS&N | 1880 | 1881 | Allegany Central Railroad |
| Olean, Bradford and Warren Railroad | | PRR | 1877 | 1916 | Western New York and Pennsylvania Railway |
| Olean and Salamanca Railroad | | PRR | 1882 | 1883 | Buffalo, New York and Philadelphia Railroad |
| Ontario, Carbondale and Scranton Railway | | NH | 1889 | 1957 | N/A |
| Ontario Eastern Railroad | ONER | | 1981 | 1987 | N/A |
| Ontario Southern Railroad | | PRR | 1875 | 1879 | Lake Ontario Southern Railway |
| Orange County Railroad | | L&HR | 1888 | 1907 | Lehigh and Hudson River Railway |
| Oswego Railroad Bridge Company | | NYC | 1872 | 1885 | Rome, Watertown and Ogdensburg Railroad |
| Oswego and Rome Railroad | | NYC | 1863 | 1913 | New York Central and Hudson River Railroad |
| Oswego and Syracuse Railroad | | DL&W | 1839 | 1945 | Delaware, Lackawanna and Western Railroad |
| Otis Railway | | | 1899 | 1916 | Catskill Mountain Railroad |
| Otis Elevating Railway | | | 1885 | 1899 | Otis Railway |
| Owasco River Railway | OR | LV/ NYC | 1881 | 1976 | N/A |
| Oyster Bay Extension Railroad | | LI | 1886 | 1913 | Long Island Rail Road | |
| Pan Am Railways | PAR | NY, New England | 1981 | 2022 | CSX Transportation |
| Pecksport Connecting Railway | | NH | 1886 | 1957 | N/A |
| Peekskill Valley Railroad | | | 1873 | | N/A | 7 miles (11.3 km) long 2 ft (610 mm) gauge |
| Penn Central Transportation Company | PC | | 1968 | 1976 | Consolidated Rail Corporation |
| Penn Yan and New York Railway | | NYC | 1877 | 1885 | Syracuse, Geneva and Corning Railway | |
| Penndel Company | | PRR | 1955 | 1976 | Consolidated Rail Corporation |
| Pennsylvania Railroad | PRR | PRR | 1900 | 1968 | Penn Central Transportation Company |
| Pennsylvania, New York and Long Island Railroad | | PRR | 1902 | 1907 | Pennsylvania Tunnel and Terminal Railroad |
| Pennsylvania and New York Canal and Railroad Company | | LV | 1867 | 1888 | Lehigh Valley Railroad |
| Pennsylvania, Poughkeepsie and Boston Railroad | | LNE | 1887 | 1895 | Lehigh and New England Railroad |
| Pennsylvania and Rochester Railroad | | PRR | 1912 | 1916 | Western New York and Pennsylvania Railway |
| Pennsylvania Tunnel and Terminal Railroad | | PRR | 1907 | 1976 | Consolidated Rail Corporation |
| Pere Marquette Railroad | | C&O | 1904 | 1917 | Pere Marquette Railway |
| Pere Marquette Railway | PM | C&O | 1917 | 1947 | Chesapeake and Ohio Railway |
| Perry Railroad | | B&O | 1882 | 1899 | Buffalo, Rochester and Pittsburgh Railway |
| Philadelphia, Reading and New England Railroad | | NH | 1892 | 1899 | Central New England Railway |
| Pine Plains and Albany Railroad | | RUT | 1872 | 1872 | Harlem Extension Railroad |
| Pittsburgh and New York Railroad | | B&O | 1881 | 1881 | Rochester and Pittsburgh Railroad |
| Pittsburg, Shawmut and Northern Railroad | | PS&N | 1899 | 1947 | N/A |
| Pittsburgh, Titusville and Buffalo Railway | | PRR | 1880 | 1881 | Buffalo, Pittsburgh and Western Railroad |
| Plattsburgh and Dannemora Railroad | | D&H | 1878 | | |
| Plattsburgh and Montreal Railroad | | D&H | 1850 | 1868 | Montreal and Plattsburgh Railroad |
| Pochuck Railroad | | LNE | 1897 | 1944 | N/A |
| Port Chester Terminal Railroad | | | 1901 | | |
| Port Dickinson and Chenango River Railroad | | DL&W | 1881 | | N/A |
| Port Jervis and Monticello Railroad | | NH | 1875 | 1886 | Port Jervis, Monticello and New York Railroad |
| Port Jervis, Monticello and New York Railroad | | NH | 1886 | 1902 | Port Jervis, Monticello and Summitville Railroad |
| Port Jervis, Monticello and Summitville Railroad | | NH | 1902 | 1957 | N/A |
| Potsdam and Watertown Railroad | | NYC | 1852 | 1860 | Watertown and Rome Railroad |
| Poughkeepsie Bridge Company | | NH | 1871 | 1892 | Poughkeepsie Bridge and Railroad Company |
| Poughkeepsie Bridge Railroad | | NH | 1888 | 1907 | Central New England Railway |
| Poughkeepsie Bridge and Railroad Company | | NH | 1892 | 1892 | Philadelphia, Reading and New England Railroad |
| Poughkeepsie and Connecticut Railroad | | NH | 1888 | 1889 | Central New England and Western Railroad |
| Poughkeepsie and Eastern Railroad | | NH | 1866 | 1875 | Poughkeepsie, Hartford and Boston Railroad |
| Poughkeepsie and Eastern Railway | | NH | 1893 | 1907 | Central New England Railway |
| Poughkeepsie, Hartford and Boston Railroad | | NH | 1875 | 1887 | Hartford and Connecticut Western Railroad, New York and Massachusetts Railway |
| Prattsburg Railway | | | 1917 | 1962 | N/A |
| Prospect Park and Coney Island Railroad | | | 1874 | | | Electrified in 1899 |
| Prospect Park and South Brooklyn Railroad | | | 1888 | | | Electrified in 1899 |
| Putnam and Dutchess Railroad | | | 1871 | 1872 | New York, Boston and Northern Railway |
| Raquette Lake Railway | | NYC | 1899 | 1933 | N/A |
| Raymondville and Waddington Railroad | | | 1907 | 1908 | Norwood and St. Lawrence Railroad |
| Rensselaer and Saratoga Railroad | | D&H | 1832 | 1945 | Delaware and Hudson Railroad |
| Rhinebeck and Connecticut Railroad | | NH | 1870 | 1882 | Hartford and Connecticut Western Railroad |
| R.J. Corman Railroad/Allentown Lines | RJCN | | 1996 | 2002 | N/A |
| Rochester and Charlotte Railroad | | B&O | 1881 | 1881 | Rochester and Pittsburgh Railroad |
| Rochester and Genesee Valley Railroad | | ERIE | 1851 | 1976 | Consolidated Rail Corporation |
| Rochester and Honeoye Valley Railroad | | LV | 1888 | 1895 | Rochester and Southern Railroad |
| Rochester, Hornellsville and Lackawanna Railroad | | PS&N | 1886 | 1889 | Lackawanna and Southwestern Railroad |
| Rochester, Hornellsville and Pine Creek Railroad | | PRR | 1872 | 1876 | Geneva, Hornellsville and Pine Creek Railway |
| Rochester and Lake Beach Railroad | | NYC | 1888 | 1888 | Rome, Watertown and Ogdensburg Terminal Railroad |
| Rochester and Lake Ontario Railroad | | NYC | 1852 | 1855 | New York Central Railroad |
| Rochester, Lockport and Niagara Falls Railroad | | NYC | 1850 | 1853 | New York Central Railroad |
| Rochester, New York and Pennsylvania Railroad | | PRR, PS&N | 1881 | 1916 | Allegany Central Railroad, Western New York and Pennsylvania Railway |
| Rochester, Nunda and Pennsylvania Railroad | | PRR, PS&N | 1870 | 1877 | Rochester, Nunda and Pittsburgh Railroad |
| Rochester, Nunda and Pennsylvania Extension Railroad | | PS&N | 1872 | 1872 | Rochester, Nunda and Pennsylvania Railroad |
| Rochester, Nunda and Pittsburgh Railroad | | PRR | 1877 | 1881 | Rochester, New York and Pennsylvania Railroad |
| Rochester and Ontario Belt Railway | | NYC | 1882 | 1887 | Rochester and Lake Beach Railroad |
| Rochester and Pine Creek Railroad | | B&O | 1870 | 1877 | Silver Lake Railroad |
| Rochester and Pittsburgh Railroad | | B&O | 1881 | 1885 | Buffalo, Rochester and Pittsburgh Railroad |
| Rochester and Southern Railroad | | LV | 1895 | 1903 | Lehigh Valley Railway |
| Rochester and Southern Railroad | | LV | 1895 | 1895 | Rochester and Southern Railroad |
| Rochester and State Line Railroad | | B&O | 1869 | 1881 | Rochester and Pittsburgh Railroad |
| Rochester and Syracuse Railroad | | NYC | 1850 | 1853 | New York Central Railroad |
| Rockaway Railway | | LI | 1871 | 1872 | South Side Railroad of Long Island |
| Rockland Central Railroad | | NYC | 1870 | 1873 | Jersey City and Albany Railroad |
| Rockland Central Extension Railroad | | NYC | 1872 | 1872 | Rockland Central Railroad |
| Rome and Clinton Railroad | | NH | 1869 | 1944 | New York, Ontario and Western Railway |
| Rome, Watertown and Ogdensburg Railroad | | NYC | 1861 | 1913 | New York Central and Hudson River Railroad |
| Rome, Watertown and Ogdensburg Terminal Railroad | | NYC | 1886 | 1890 | Rome, Watertown and Ogdensburg Railroad |
| Rondout and Oswego Railroad | | NYC | 1866 | 1872 | New York, Kingston and Syracuse Railroad |
| Rutland Railroad | RUT | RUT | 1899 | 1950 | Rutland Railway |
| Rutland Railway | RUT | RUT | 1950 | 1961 | New York Central Railroad |
| Rutland–Canadian Railroad | | RUT | 1898 | 1901 | Rutland Railroad |
| Rutland and Washington Railroad | | D&H | 1850 | 1865 | Troy, Salem and Rutland Railroad |
| Sackets Harbor and Ellisburg Railroad | | | 1851 | 1858 | Sackett's Harbor, Rome and New York Railroad |
| Sackett's Harbor, Rome and New York Railroad | | | 1860 | 1862 | N/A |
| Sackets Harbor and Saratoga Railroad | | D&H | 1852 | 1857 | Lake Ontario and Hudson River Railroad |
| St. Lawrence Railroad | SLAW | | 1977 | 1990 | St. Lawrence and Raquette River Railroad |
| St. Lawrence and Adirondack Railroad | | NYC | 1891 | 1892 | Mohawk and Malone Railway |
| St. Lawrence and Adirondack Railway | | NYC | 1895 | | | Still exists as a nonoperating subsidiary of CSX Transportation |
| St. Lawrence and Hudson Railway | STLH | CP | 1996 | 2001 | Canadian Pacific Railway |
| St. Lawrence and Raquette River Railroad | SLRR | | 1990 | 1998 | New York and Ogdensburg Railway |
| Salamanca, Bradford and Allegheny River Railroad | | PRR | 1880 | 1881 | Buffalo, Pittsburgh and Western Railroad |
| Saranac and Lake Placid Railroad | | D&H | 1890 | 1903 | Chateaugay and Lake Placid Railway |
| Saratoga and Fort Edward Railroad | | D&H | 1832 | | Saratoga and Washington Railroad |
| Saratoga and Hudson River Railroad | | NYC | 1864 | 1867 | New York Central Railroad |
| Saratoga Lake Railway | | B&M | 1880 | 1886 | Troy, Saratoga and Northern Railroad |
| Saratoga and Mount McGregor Railway | | | 1897 | 1898 | Saratoga Northern Railway |
| Saratoga and North Creek Railway | | | 2011 | 2018 | |
| Saratoga, Mount McGregor and Lake George Railroad | | | 1882 | 1888 | Mount McGregor Railroad |
| Saratoga Northern Railway | | | 1899 | 1901 | Hudson Valley Railway (electric) |
| Saratoga and St. Lawrence Railroad | | | 1885 | 1897 | Bombay and Moira Railroad |
| Saratoga and Schenectady Railroad | | D&H | 1831 | | |
| Saratoga and Schuylerville Railroad | | | 1945 | 1956 | N/A |
| Saratoga and Washington Railroad | | D&H | 1834 | 1855 | Saratoga and Whitehall Railroad |
| Saratoga and Whitehall Railroad | | D&H | 1855 | 1868 | Rensselaer and Saratoga Railroad |
| Schenectady and Duanesburgh Railroad | | D&H | 1873 | 1903 | Delaware and Hudson Company |
| Schenectady and Margaretville Railroad | | | 1906 | 1907 | Delaware and Eastern Railway |
| Schenectady and Mechanicville Railroad | | D&H | 1867 | | |
| Schenectady and Susquehanna Railroad | | D&H | 1869 | 1873 | Schenectady and Duanesburgh Railroad |
| Schenectady and Troy Railroad | | NYC | 1836 | 1853 | New York Central Railroad |
| Schoharie Valley Railroad | | D&H | 1865 | 1874 | Schoharie Valley Railway |
| Schoharie Valley Railway | | D&H | 1880 | 1941 | N/A |
| Schuylerville and Upper Hudson Railroad | | B&M | 1869 | 1877 | Mechanicville and Fort Edward Railroad |
| Scottsville and LeRoy Railroad | | | 1836 | | N/A |
| Sea Beach Railway | | | 1896 | 1912 | New York Consolidated Railroad | Electrified in 1898 |
| Sea Beach and Brighton Railroad | | | 1886 | 1892 | Brighton and Bensonhurst Railroad |
| Seneca County Railway | | LV | 1891 | 1903 | Lehigh Valley Railway |
| Sharon and Ceres Terminal Railroad | | | 1904 | 1904 | New York and Pennsylvania Railway |
| Shawmut Connecting Railroad | | PS&N | 1900 | 1905 | Pittsburg, Shawmut and Northern Railroad |
| Silver Creek and Dunkirk Railway | | NYC | 1890 | 1894 | Lake Shore and Michigan Southern Railway |
| Silver Lake Railroad | | B&O | 1877 | 1886 | Silver Lake Railway |
| Silver Lake Railroad | | B&O | 1869 | | Rochester and Pine Creek Railroad |
| Silver Lake Railway | | B&O | 1886 | 1910 | Buffalo, Rochester and Pittsburgh Railway |
| Skaneateles Railroad | | | 1866 | 1941 | Skaneateles Short Line Railroad |
| Skaneateles Railroad | | | 1836 | 1841 | Skaneateles and Jordan Railroad |
| Skaneateles and Jordan Railroad | | | 1841 | 1851 | N/A |
| Skaneateles Short Line Railroad | SSL | | 1940 | 1981 | N/A |
| Smithtown and Port Jefferson Railroad | | LI | 1870 | 1892 | Long Island Railroad North Shore Branch |
| Sodus Bay and Southern Railroad | | PRR | 1882 | 1886 | Elmira and Lake Ontario Railroad |
| Sodus Point and Southern Railroad | | PRR | 1852 | 1875 | Ontario Southern Railroad |
| South Brooklyn Railroad and Terminal Company | | | 1887 | 1899 | South Brooklyn Railway |
| South Brooklyn Railway | SBK | | 1900 | | | Electric until 1961 |
| South Brooklyn and Flatbush Railroad | | | 1885 | 1887 | South Brooklyn Railroad and Terminal Company |
| South Side Railroad of Long Island | | LI | 1860 | 1874 | Southern Railroad of Long Island |
| Southern Railroad of Long Island | | LI | 1874 | 1880 | Brooklyn and Montauk Railroad |
| Southern Central Railroad | | LV | 1865 | 1895 | Lehigh and New York Railroad |
| Southern Hempstead Branch Railroad | | LIRR | 1875 | 1882 | Stewart Railroad |
| Southern New York Railroad | | | 1888 | 1970 | N/A |
| Southern Westchester Railroad | | | 1871 | 1872 | New York, Housatonic and Northern Railroad |
| Southfield Branch Railroad | | | 1868 | 1894 | N/A |
| Springville and Sardinia Railroad | | | 1878 | 1886 | N/A |
| Spuyten Duyvil and Port Morris Railroad | | NYC | 1867 | 1913 | New York Central and Hudson River Railroad |
| Staten Island Railroad | SIRC | B&O | 1971 | 1991 | N/A |
| Staten Island Railroad | | B&O | 1851 | 1872 | Staten Island Railway |
| Staten Island Railway | | B&O | 1873 | 1944 | Staten Island Rapid Transit Railway |
| Staten Island Rapid Transit Railroad | | B&O | 1880 | 1899 | Staten Island Rapid Transit Railway |
| Staten Island Rapid Transit Railway | SIR | B&O | 1899 | 1971 | Staten Island Railroad |
| Sterling Mountain Railway | | | 1864 | 1955 | N/A |
| Stewart Railroad | | LIRR | 1873 | 1892 | Long Island Rail Road |
| Stony Clove and Catskill Mountain Railroad | | NYC | 1881 | 1901 | Ulster and Delaware Railroad |
| Suffern Railroad | | ERIE | 1907 | 1907 | Erie and Jersey Railroad |
| Suspension Bridge and Erie Junction Railroad | | ERIE | 1868 | 1896 | Erie Railroad |
| Syracuse and Baldwinsville Railroad | | DL&W | 1886 | 1891 | Syracuse and Baldwinsville Railway |
| Syracuse and Baldwinsville Railway | | DL&W | 1891 | | N/A |
| Syracuse and Binghamton Railroad | | DL&W | 1851 | 1856 | Syracuse and Southern Railroad |
| Syracuse, Binghamton and New York Railroad | | DL&W | 1857 | 1945 | Delaware, Lackawanna and Western Railroad |
| Syracuse and Chenango Railroad | | NYC | 1873 | 1877 | Syracuse, Chenango and New York Railroad |
| Syracuse and Chenango Valley Railroad | | NYC | 1868 | 1873 | Syracuse and Chenango Railroad |
| Syracuse, Chenango and New York Railroad | | NYC | 1877 | 1883 | Syracuse, Ontario and New York Railway |
| Syracuse, Geneva and Corning Railway | | NYC | 1875 | 1909 | Geneva, Corning and Southern Railroad |
| Syracuse Junction Railroad | | NYC | 1873 | 1879 | New York Central and Hudson River Railroad |
| Syracuse Northern Railroad | | NYC | 1868 | 1875 | Syracuse and Northern Railroad |
| Syracuse and Northern Railroad | | NYC | 1875 | 1875 | Rome, Watertown and Ogdensburg Railroad |
| Syracuse Northwestern Railroad | | NYC | 1874 | 1875 | Syracuse, Phoenix and Oswego Railroad |
| Syracuse, Ontario and New York Railway | | NYC | 1883 | 1891 | West Shore Railroad |
| Syracuse, Phoenix and Oswego Railroad | | NYC | 1871 | 1885 | Syracuse, Phoenix and Oswego Railway |
| Syracuse, Phoenix and Oswego Railway | | NYC | 1885 | 1889 | Rome, Watertown and Ogdensburg Railroad |
| Syracuse and Southern Railroad | | DL&W | 1856 | 1857 | Syracuse, Binghamton and New York Railroad |
| Syracuse and Utica Railroad | | NYC | 1836 | 1853 | New York Central Railroad |
| Syracuse and Utica Direct Railroad | | NYC | 1853 | 1853 | New York Central Railroad |
| Terminal Railway of Buffalo | | NYC | 1895 | 1914 | New York Central Railroad |
| Ticonderoga Railroad | | D&H | 1889 | 1957 | Delaware and Hudson Railroad |
| Tioga Railroad | | ERIE | 1876 | 1885 | New York, Lake Erie and Western Railroad |
| Tioga Central Railroad | TIOC | | 1987 | 1992 | Owego and Harford Railway |
| Tioga Coal, Iron Mining and Manufacturing Company | | NYC | 1833 | 1851 | Corning and Blossburg Railroad |
| Tivoli Hollow Railroad | | NYC | 1893 | 1913 | New York Central and Hudson River Railroad |
| Tonawanda Railroad | | NYC | 1832 | 1850 | Buffalo and Rochester Railroad |
| Tonawanda Island Railroad | TIRL | | 1983 | 1996 | N/A |
| Tonawanda Island Bridge Company | | NYC | 1883 | 1913 | New York Central and Hudson River Railroad |
| Tonawanda Valley Railroad | | | 1880 | 1881 | Tonawanda Valley and Cuba Railroad |
| Tonawanda Valley and Cuba Railroad | | | 1881 | 1886 | Attica and Freedom Railroad |
| Tonawanda Valley Extension Railroad | | | 1880 | 1881 | Tonawanda Valley and Cuba Railroad |
| Troy and Bennington Railroad | | B&M | 1851 | 1946 | Boston and Maine Railroad |
| Troy and Boston Railroad | | B&M | 1848 | 1887 | Fitchburg Railroad |
| Troy and Greenbush Railroad | | NYC | 1845 | 1976 | Consolidated Rail Corporation |
| Troy and Rutland Railroad | | D&H | 1849 | 1865 | Troy, Salem and Rutland Railroad |
| Troy, Salem and Rutland Railroad | | D&H | 1865 | 1868 | Rensselaer and Saratoga Railroad |
| Troy, Saratoga and Northern Railroad | | B&M | 1886 | 1892 | Fitchburg Railroad |
| Troy Union Railroad | | B&M/ D&H/ NYC | 1851 | 1964 | N/A |
| Tunesassa and Bradford Railroad | | | 1905 | | |
| Ulster and Delaware Railroad | | NYC | 1875 | 1932 | New York Central Railroad |
| Unadilla Valley Railway | UV | | 1890 | 1960 | N/A |
| Union Railroad | | ERIE | 1851 | 1946 | Erie Railroad |
| Union Railroad | | DL&W | 1856 | 1858 | Syracuse, Binghamton and New York Railroad |
| Union Terminal Railroad of Buffalo | | PRR | 1884 | 1917 | Western New York and Pennsylvania Railway |
| Union Village and Johnsonville Railroad | | D&H | 1866 | 1874 | Greenwich and Johnsonville Railroad |
| United States and Canada Railroad | | CN | 1883 | 1960 | Canadian National Railway |
| Upper Hudson Railroad | | B&M | 1872 | 1872 | Schuylerville and Upper Hudson Railroad |
| Utica and Black River Railroad | | NYC | 1860 | 1913 | New York Central and Hudson River Railroad |
| Utica, Chenango and Cortland Railroad | | DL&W | 1870 | 1883 | Erie and Central New York Railway |
| Utica, Chenango and Susquehanna Valley Railway | | DL&W | 1866 | 1945 | Delaware, Lackawanna and Western Railroad |
| Utica City Railroad | | NH | 1862 | 1866 | Utica and Waterville Railroad |
| Utica, Clinton and Binghamton Railroad | | NH | 1868 | 1942 | New York, Ontario and Western Railway |
| Utica, Horseheads and Elmira Railroad | | LV | 1870 | 1871 | Utica, Ithaca and Elmira Railroad |
| Utica, Ithaca and Elmira Railroad | | LV | 1871 | 1878 | Utica, Ithaca and Elmira Railway |
| Utica, Ithaca and Elmira Railway | | LV | 1878 | 1884 | Elmira, Cortland and Northern Railroad |
| Utica and Schenectady Railroad | | NYC | 1833 | 1853 | New York Central Railroad |
| Utica and Unadilla Valley Railroad | | | 1888 | 1895 | Unadilla Valley Railway |
| Utica and Waterville Railroad | | NH | 1866 | 1868 | Utica, Clinton and Binghamton Railroad |
| Valley Railroad | | DL&W | 1869 | 1945 | Delaware, Lackawanna and Western Railroad |
| Vermont and Canada Railroad | | CN | 1845 | 1891 | Central Vermont Railroad |
| Vermont Central Railroad | | CN | 1870 | 1873 | Central Vermont Railroad |
| Vermont Central Railroad | | CN | 1849 | 1855 | N/A | Leased the Vermont and Canada Railroad |
| Wabash Railroad | | WAB | 1898 | 1915 | Wabash Railway |
| Wabash Railroad | WAB | WAB | 1942 | 1964 | Norfolk and Western Railway |
| Wabash Railway | | WAB | 1915 | 1942 | Wabash Railroad |
| Wallkill Valley Railroad | | NYC | 1877 | 1952 | New York Central Railroad |
| Wallkill Valley Railway | | NYC | 1866 | 1877 | Wallkill Valley Railroad |
| Warwick Valley Railroad | | L&HR | 1860 | 1882 | Lehigh and Hudson River Railway |
| Watertown and Rome Railroad | | NYC | 1832 | 1861 | Rome, Watertown and Ogdensburg Railroad |
| Waverly and State Line Railway | | LV | 1867 | 1903 | Lehigh Valley Railway |
| Wellsville, Addison and Galeton Railroad | WAG | | 1954 | 1973 | N/A |
| Wellsville, Bradford and Eldred Railroad | | | 1881 | 1893 | N/A (operated by Bradford, Eldred and Cuba Railroad) |
| Wellsville and Buffalo Railroad | | | 1915 | 1916 | N/A |
| Wellsville, Coudersport and Pine Creek Railroad | | B&O | 1881 | 1954 | Buffalo and Susquehanna Railroad |
| West Brooklyn Railroad | | | 1887 | 1889 | N/A (operated by Brooklyn, Bath and West End Railroad) |
| West Davenport Railroad | | D&H | 1891 | 1891 | Cooperstown and Charlotte Valley Railroad |
| West Shore Railroad | | NYC | 1885 | 1952 | New York Central Railroad |
| West Shore Hudson River Railroad | | NYC | 1867 | 1877 | New York, West Shore and Chicago Railroad |
| West Side and Yonkers Railway | | NYC | 1879 | 1887 | New York City and Northern Railroad |
| West Troy and Green Island Railroad | | D&H | 1870 | | |
| Westchester Railway | | | 1881 | | N/A (never completed) |
| Western New York Railway | | PRR | 1895 | 1895 | Western New York and Pennsylvania Railway |
| Western New York and Pennsylvania Railroad | | PRR | 1887 | 1895 | Western New York and Pennsylvania Railway |
| Western New York and Pennsylvania Railway | | PRR | 1895 | 1955 | Penndel Company |
| Western New York and Pennsylvania Railway of New York | | PRR | 1887 | 1887 | Western New York and Pennsylvania Railroad |
| Western Vermont Railroad | | RUT | 1845 | 1865 | Bennington and Rutland Railroad |
| Wharton Valley Railway | | NH | 1888 | 1942 | N/A |
| Whitehall and Plattsburgh Railroad | | D&H | 1866 | 1873 | New York and Canada Railroad |
| Whitestone and Westchester Railroad | | LI | 1871 | 1887 | Long Island City and Flushing Railroad |
| Williamsport and Elmira Railroad | | PRR | 1850 | 1860 | Elmira and Williamsport Railroad |
| Williamstown and Redfield Railroad | | | 1865 | | N/A |
| Windsor Beach and Ontario Railroad | | NYC | 1887 | 1888 | Rome, Watertown and Ogdensburg Terminal Railroad |
| Yonkers Rapid Transit Railway | | NYC | 1879 | 1887 | New York and Northern Railway |

### Street and electric railways

* Adirondack Lakes' Traction Company
* Albany and Hudson Railroad
* Albany and Hudson Railway and Power Company
* Albany Southern Railroad
* Amsterdam Street Railroad
* Atlantic Avenue Railroad
* Auburn and Northern Electric Railroad
* Auburn and Syracuse Electric Railroad
* Babylon Railroad
* Ballston Terminal Railroad
* Batavia Traction Company
* Belt Line Railway
* Bennington and North Adams Street Railway
* Berkshire Street Railway
* Binghamton Railway
* Black River Traction Company
* Bleecker Street and Fulton Ferry Railroad
* Bridge Operating Company
* Broadway Railroad
* Broadway Railway
* Broadway Ferry and Metropolitan Avenue Railroad
* Broadway and Seventh Avenue Railroad
* Bronx Traction Company
* Brooklyn Central Railroad
* Brooklyn Central and Jamaica Railroad
* Brooklyn City Railroad
* Brooklyn City and Newtown Railroad
* Brooklyn Crosstown Railroad
* Brooklyn Elevated Railroad
* Brooklyn Elevated Railway
* Brooklyn Elevated Silent Safety Railway
* Brooklyn Heights Railroad
* Brooklyn and Jamaica Railway
* Brooklyn–Manhattan Transit Corporation
* Brooklyn and North River Railroad
* Brooklyn, Queens County and Suburban Railroad
* Brooklyn Rapid Transit Company
* Brooklyn Union Elevated Railroad
* Buffalo City Railway
* Buffalo and Depew Railway
* Buffalo and Erie Railway
* Buffalo and Lake Erie Traction Company
* Buffalo, Lockport and Rochester Railway
* Buffalo Southern Railway
* Buffalo and Williamsville Electric Railway
* Bush Terminal Railroad
* Bushwick Railroad
* Calvary Cemetery, Greenpoint and Brooklyn Railroad
* Canarsie Railroad
* Catskill Electric Railway
* Cayadutta Electric Railroad
* Cedarhurst Railway
* Central City Rail Way
* Central Crosstown Railroad
* Central Park, North and East River Railroad
* Chautauqua Traction Company
* Christopher and Tenth Street Railroad
* City Island Railroad
* Cohoes Railway
* Coney Island and Brooklyn Railroad
* Coney Island Elevated Railway
* Coney Island, Fort Hamilton and Brooklyn Railroad
* Coney Island and Gravesend Railway
* Corning and Painted Post Street Railway
* Cortland County Traction Company
* Crosstown Street Railway of Buffalo
* DeKalb Avenue and North Beach Railroad
* DeKalb Avenue and North Brooklyn Railroad
* Dry Dock, East Broadway and Battery Railroad
* East River and Atlantic Ocean Railroad
* Eastern New York Railroad
* Echo Line Railroad
* Eighth Avenue Railroad
* Electric City Railway
* Elmira, Corning and Waverly Railway
* Elmira and Seneca Lake Traction Company
* Elmira Water, Light and Railroad Company
* Empire State Railroad
* Far Rockaway Railroad
* Fishkill Electric Railway
* Flushing and College Point Electric Railway
* Fonda, Johnstown and Gloversville Railroad
* Fort George and Eleventh Avenue Railroad
* Fort George Extension Railway
* Forty-second Street and Grand Street Ferry Railroad
* Forty-second Street, Manhattanville and St. Nicholas Avenue Railway
* Freeport Railroad
* Fulton Street Railroad
* Geneva, Seneca Falls and Auburn Railroad
* Geneva, Waterloo, Seneca Falls and Cayuga Lake Traction Company
* Gilbert Elevated Railway
* Glen Cove Railroad
* Gloversville Street Electric Railroad
* Grand Street and Newtown Railroad
* Great South Bay Ferry Company
* Greenbush and Nassau Electric Railway
* Greenpoint and Lorimer Street Railroad
* Greenwood and Coney Island Railroad
* Harlem Bridge, Morrisania and Fordham Railway
* Hornell Traction Company
** Hornellsville and Canisteo Railway
** Hornellsville Electric Railway
* Houston, West Street and Pavonia Ferry Railroad
* Hudson Light and Power and Railroad Company
* Hudson and Manhattan Railroad
* Hudson River and Eastern Traction Company
* Hudson Street Railway
* Hudson Tunnel Railway
* Hudson Valley Railway
* Huntington Railroad
* Independent City Owned Rapid Transit Railroad
* Interborough Rapid Transit Company
* International Railway
* Ithaca Street Railway
* Ithaca Traction Corporation
* Jamaica and Brooklyn Railroad
* Jamaica and Brooklyn Road Company
* Jamaica Central Railways
* Jamestown Street Railway
* Jamestown, Westfield and Northwestern Railroad
* Jerome Park Railway
* Johnstown, Gloversville and Kingsboro Horse Railroad
* Kaydeross Railroad
* Keeseville, Ausable Chasm and Lake Champlain Railroad
* Kings County Electric Railway
* Kings County Elevated Railway
* Kingsbridge Railway
* Kingston Consolidated Railroad
* Long Beach Marine Railway
* Long Island City and Newtown Railroad
* Long Island Electric Railway
* Long Island Traction Company
* Manhattan Railway Company
* Manhattan Bridge Three Cent Line
* Manhattan and Queens Traction Company
* Manhattan and Queens Traction Corporation
* Marine Railway
* Melrose and West Morrisania Railroad
* Metropolitan Crosstown Railway
* Metropolitan Elevated Railway
* Metropolitan Street Railway
* Mid-Crosstown Railway
* Mineola, Hempstead and Freeport Traction Company
* Mineola, Roslyn and Port Washington Traction Company
* Mount Beacon-on-Hudson Association
* Mount Vernon and Eastchester Railway
* Nassau Railroad
* Nassau County Railway
* Nassau Electric Railroad
* New Paltz, Highland and Poughkeepsie Traction Company
* New Rochelle Railway and Transit Company
* New Williamsburgh and Flatbush Railroad
* New York Railways
* New York, Auburn and Lansing Railroad
* New York City Railway
* New York City Interborough Railway
* New York and Coney Island Railroad
* New York Consolidated Railroad
* New York Elevated Railroad
* New York, Fordham and Bronx Railway
* New York and Harlem Railroad
* New York and Jersey Railroad
* New York and Long Island Traction Company
* New York Municipal Railway
* New York and North Shore Railway
* New York and North Shore Traction Company
* New York and Queens County Railway
* New York and Stamford Railway
* New York State Railways
* New York, Westchester and Connecticut Traction Company
* Newark and Marion Railway
* Newtown Railway
* Niagara Gorge Railroad
* Ninth Avenue Railroad
* North and East River Railway
* North End Street Railway
* North Third Avenue and Fleetwood Park Railroad
* Northport Traction Company
* Ocean Electric Railway
* Ogdensburg Street Railway
* One Hundred and Forty-fifth Street Crosstown Railroad
* Oneida Railway
* Oneonta and Mohawk Valley Railroad
* Orange County Traction Company
* Park Avenue Railroad
* Paul Smith's Electric Light and Power and Railroad Company
* Peekskill Lighting and Railroad Company
* Pelham Park Railroad
* Pelham Park and City Island Railway
* Penn Yan, Keuka Park and Branchport Railway
* Penn Yan and Lake Shore Railway
* Plattsburgh Traction Company
* Port Jervis Electric Light, Power, Gas and Railroad Company
* Port Jervis Traction Company
* Poughkeepsie City and Wappingers Falls Electric Railway
* Poughkeepsie and Wappingers Falls Railway
* Prospect Park and Coney Island Railroad
* Prospect Park and South Brooklyn Railroad
* Putnam and Westchester Traction Company
* Queens Railway
* Queensboro Bridge Railway Company
* Richmond County Railroad
* Richmond Light and Railroad Company
* Richmond Street Railway
* Rochester Railway Company
* Rochester and Eastern Rapid Railway
* Rochester, Lockport and Buffalo Railroad
* Rochester and Manitou Railroad
* Rochester and Sodus Bay Railway
* Rochester and Suburban Railway
* Rochester Subway (RSB)
* Rochester and Syracuse Railroad
* Rochester, Syracuse and Eastern Railroad
* Rockaway Village Railroad
* St. Lawrence International Electric Railroad and Land Company
* Schenectady Railway
* Sea Beach Railway
* Sea View Railroad
* Seashore Municipal Railroad
* Second Avenue Railroad
* Sixth Avenue Railroad
* Soundview Transportation Company
* South Brooklyn Street Railroad
* South Ferry Railroad
* South Shore Traction Company
* Southern Boulevard Railroad
* Southern New York Railway
* Southern New York Power and Railway Corporation
* Southfield Beach Railroad
* Staten Island Electric Railroad
* Staten Island Horse Railroad
* Staten Island Midland Railroad
* Staten Island Midland Railway
* Staten Island Traction Company
* Suburban Rapid Transit Company
* Suburban Traction Company
* Suffolk Traction Company
* Syracuse, Lake Shore and Northern Railroad
* Syracuse Northern Electric Railway
* Syracuse Rapid Transit Railway
* Syracuse and South Bay Electric Railroad
* Syracuse and Suburban Railroad
* Tarrytown, White Plains and Mamaroneck Railway
* Third Avenue Railroad
* Third Avenue Railway
* Third Avenue Bridge Company
* Thirty-fourth Street Railroad
* Thirty-fourth Street Crosstown Railway
* Thirty-fourth Street Ferry and Eleventh Avenue Railroad
* Troy and New England Railway
* Twenty-eighth and Thirtieth Streets Crosstown Railroad
* Twenty-eighth and Twenty-ninth Streets Crosstown Railroad
* Twenty-third Street Railway
* Union Railroad
* Union Railway of New York City
* United Railroad
* United Traction Company
* Utica Belt Line Street Railroad
* Utica and Mohawk Valley Railway
* Van Brunt Street and Erie Basin Railroad
* Van Nest, West Farms and Westchester Traction Company
* Wakefield and Westchester Traction Company
* Wallkill Transit Company
* Warren and Jamestown Street Railway
* Washington Street and State Asylum Railroad
* Waverly, Sayre and Athens Traction Company
* West Farms and Westchester Traction Company
* West Side and Yonkers Patent Railway
* Westchester Electric Railroad
* Westchester Street Railroad
* Western New York and Pennsylvania Traction Company
* Williamsbridge and Westchester Traction Company
* Yonkers Railroad

### Other passenger carriers

* Niagara and Western New York Railroad
* OnTrack
* Prospect Park Incline Railway

### Private carriers

* Crown Point Iron Company's Railroad
* Fulton Chain Railroad
* Marion River Carry Railroad
* Peekskill Iron Company

### Not completed

* Dunderberg Spiral Railway
* New England and Oswego Railroad
* New York and Boston Rapid Transit Company
* Ogdensburg, Clayton and Rome Railroad
* Portland, Rutland, Oswego and Chicago Railroad