| Name | Mark | System | From | To | Successor | Notes |
| Alloway and Quinton Railroad | | PRSL | 1891 | 1896 | West Jersey and Seashore Railroad | - |
| Anglesea Railroad | | PRSL | 1882 | 1888 | West Jersey Railroad | - |
| Arlington Railroad | | ERIE | 1887 | 1942 | Erie Railroad | - |
| Atlantic City Railroad | | PRSL | 1889 | 1933 | Pennsylvania–Reading Seashore Lines | - |
| Atlantic Highlands Railroad | | CNJ | 1889 | 1890 | Freehold and Atlantic Highlands Railroad | - |
| Atlantic Port Railway | | | 1920 | | | - |
| Baltimore and New York Railway | | B&O | 1888 | 1944 | Staten Island Rapid Transit Railway | - |
| Baltimore and Ohio Railroad | B&O, BO | B&O | 1886 | 1987 | Chesapeake and Ohio Railway | - |
| Barnegat Railroad | | PRR | 1894 | 1923 | N/A | - |
| Barnegat Railroad | | | 1866 | | Manchester and Barnegat Bay Railway | - |
| Bay Creek Railway | | LV | 1894 | 1898 | National Docks Railway | - |
| Bay Shore Connecting Railroad | | CNJ/ LV | 1904 | 1976 | Consolidated Rail Corporation | - |
| Belvidere Delaware Railroad | | PRR | 1836 | 1957 | United New Jersey Railroad and Canal Company, a subsidiary of PRR, later PC | - |
| Bergen County Railroad | | ERIE | 1880 | 1942 | Erie Railroad | - |
| Bergen and Dundee Railroad | | ERIE | 1885 | 1942 | Erie Railroad | - |
| Bergen Neck Railway | | LV | 1885 | 1891 | National Docks Railway | - |
| Blairstown Railway | | NYSW | 1876 | 1883 | New York, Susquehanna and Western Railroad | - |
| Bloomfield and Orange Horse Car Railway | | ERIE | 1868 | 1870 | Watchung Railway | - |
| Bound Brook and Easton Railroad | | LV | 1872 | 1872 | Easton and Amboy Railroad | - |
| Bridgeton and Port Norris Railroad | | CNJ | 1866 | 1878 | Cumberland and Maurice River Railroad | - |
| Brigantine Beach Railroad | | | 1889 | 1896 | Philadelphia and Brigantine Railroad | - |
| Buena Vista Railroad | | CNJ | 1889 | 1917 | Central Railroad of New Jersey | - |
| Burlington County Railroad | | PRR | 1863 | 1866 | Camden and Burlington County Railroad | - |
| Burlington and Mount Holly Railroad and Transportation Company | | PRR | 1848 | 1863 | Burlington County Railroad | - |
| Caldwell Railway | | ERIE | 1890 | 1892 | New York and Greenwood Lake Railway | - |
| Camden and Amboy Railroad and Transportation Company | | PRR | 1830 | 1872 | United New Jersey Railroad and Canal Company | - |
| Camden and Atlantic Railroad | | PRSL | 1852 | 1896 | West Jersey and Seashore Railroad | - |
| Camden and Burlington County Railroad | | PRR | 1866 | 1915 | Camden and Burlington County Railway | - |
| Camden and Burlington County Railway | | PRR | 1915 | 1958 | Penndel Company | - |
| Camden County Railroad | | PRSL | 1889 | 1901 | Atlantic City Railroad | - |
| Camden, Gloucester and Mount Ephraim Railway | | PRSL | 1873 | 1889 | Atlantic City Railroad | - |
| Camden, Moorestown, Hainesport and Mount Holly Horse Car Railroad | | PRR | 1859 | 1866 | Camden and Burlington County Railroad | - |
| Camden and Woodbury Railroad and Transportation Company | | PRSL | 1836 | 1840 | West Jersey Railroad | - |
| Cape May Railroad | | PRSL | 1894 | 1894 | South Jersey Railroad | - |
| Cape May and Millville Railroad | | PRSL | 1863 | 1879 | West Jersey Railroad | - |
| Carteret Extension Railroad | | CNJ | 1889 | 1917 | Central Railroad of New Jersey | - |
| Carteret and Sewaren Railroad | | CNJ | 1890 | 1917 | Central Railroad of New Jersey | - |
| Central Railroad of New Jersey | CNJ | CNJ | 1849 | 1976 | Consolidated Rail Corporation | - |
| Charlottesburgh and Green Lake Railroad | | CNJ | 1876 | 1888 | Morris County Railroad | - |
| Chelsea Branch Railroad | | PRSL | 1889 | 1896 | West Jersey and Seashore Railroad | - |
| Chesapeake and Ohio Railway | CO | | 1987 | 1987 | CSX Transportation | - |
| Chester Railroad | | DL&W | 1867 | 1945 | Delaware, Lackawanna and Western Railroad | - |
| Columbus and Kinkora Railroad | | PRR | 1866 | 1870 | Columbus, Kinkora and Springfield Railroad | - |
| Columbus, Kinkora and Springfield Railroad | | PRR | 1870 | 1901 | Kinkora and New Lisbon Railroad | - |
| Consolidated Rail Corporation | CR | | 1976 | 1999 | CSX Transportation, Norfolk Southern Railway | - |
| Constable's Hook Railroad | | CNJ | 1882 | 1887 | Central Railroad of New Jersey | - |
| Cumberland and Maurice River Railroad | | CNJ | 1875 | 1917 | Central Railroad of New Jersey | - |
| Cumberland and Maurice River Extension Railroad | | CNJ | 1887 | 1917 | Central Railroad of New Jersey | - |
| Delaware and Bound Brook Railroad | | RDG | 1874 | 1976 | Consolidated Rail Corporation | - |
| Delaware, Lackawanna and Western Railroad | DL&W | DL&W | 1856 | 1960 | Erie–Lackawanna Railroad | - |
| Delaware River Railroad | | PRSL | 1879 | 1900 | West Jersey and Seashore Railroad | - |
| Delaware River Railroad and Bridge Company | | PRR | 1896 | 1954 | Penndel Company | - |
| Delaware Shore Railroad | | PRSL | 1873 | 1879 | Delaware River Railroad | - |
| Docks Connecting Railway | | ERIE | 1886 | 1942 | Erie Railroad | - |
| Dover and Rockaway Railroad | | CNJ | 1880 | 1976 | Consolidated Rail Corporation | - |
| Durham Transport, Inc. | DRHY | | 1994 | 2001 | Raritan Central Railway | - |
| East Trenton Railroad | | RDG | 1884 | 1955 | Delaware and Bound Brook Railroad | - |
| Easton and Amboy Railroad | | LV | 1872 | 1903 | Lehigh Valley Railroad of New Jersey | - |
| Edgewater Railway | | LV | 1889 | 1891 | Lehigh Valley Terminal Railway | - |
| Edgewater and Fort Lee Railroad | | NYSW | 1901 | 1907 | Erie Terminals Railroad | - |
| Elizabeth Extension Railroad | | CNJ | 1889 | 1917 | Central Railroad of New Jersey | - |
| Elizabethtown and Somerville Railroad | | CNJ | 1831 | 1849 | Central Railroad of New Jersey | - |
| Enterprise Railroad | | PRR | 1884 | 1896 | Belvidere Delaware 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 Terminals Railroad | | ERIE, NYSW | 1907 | 1942 | Erie Railroad | - |
| Farmingdale and Squan Village Railroad | | PRR | 1867 | 1879 | Freehold and Jamesburg Agricultural Railroad | - |
| Ferro Monte Railroad | | | 1869 | | | - |
| Flemington Railroad and Transportation Company | | PRR | 1849 | 1885 | Belvidere Delaware Railroad | - |
| Freehold and Atlantic Highlands Railroad | | CNJ | 1890 | 1917 | Central Railroad of New Jersey | - |
| Freehold and Jamesburg Agricultural Railroad | | PRR | 1851 | 1958 | Penndel Company | - |
| Freehold and Keyport Railroad | | CNJ | 1890 | 1890 | Freehold and Atlantic Highlands Railroad | - |
| Freehold and New York Railroad | | CNJ | 1888 | 1890 | Freehold and Keyport Railroad | - |
| Freehold and New York Railway | | CNJ | 1877 | 1888 | Freehold and New York Railroad | - |
| Glassboro Railroad | | PRSL | 1883 | 1889 | Atlantic City Railroad | - |
| Green Pond Railroad | | CNJ | 1874 | 1876 | Charlottesburgh and Green Lake Railroad | - |
| Greenville and Hudson Railway | | LV | 1895 | 1903 | Lehigh Valley Railroad of New Jersey | - |
| Hackensack Railroad | | ERIE | 1878 | 1886 | New Jersey and New York Railroad | - |
| Hackensack and Lodi Railroad | | NYSW | 1896 | 1953 | New York, Susquehanna and Western Railroad | - |
| Hackensack and New York Railroad | | ERIE | 1856 | 1873 | New Jersey and New York Railway | - |
| Hackensack and New York Extension Railroad | | ERIE | 1869 | 1873 | New Jersey and New York Railway | - |
| Harrison and East Newark Connecting Railroad | | PRR | 1898 | 1954 | United New Jersey Railroad and Canal Company | - |
| Hibernia Branch Railroad | | CNJ | 1888 | 1905 | Wharton and Northern Railroad | - |
| Hibernia Mine Railroad | | CNJ | 1863 | 1930 | Central Railroad of New Jersey | - |
| Hibernia Underground Railroad | | | 1879 | | | - |
| High Bridge Railroad | | CNJ | 1872 | 1887 | Central Railroad of New Jersey | - |
| Hoboken Railroad, Warehouse and Steamship Connecting Company | | | 1895 | 1978 | N/A | - |
| Hoboken Land and Improvement Company | | DL&W, ERIE | 1860 | 1886 | Morris and Essex Railroad, New Jersey Junction Railroad | - |
| Hoboken Manufacturers Railroad | | | 1902 | 1954 | Hoboken Shore Railroad | - |
| Hoboken Shore Railroad | HBS | | 1954 | 1978 | N/A | - |
| Hopatcong Railroad | | DL&W | 1889 | 1943 | Delaware, Lackawanna and Western Railroad | - |
| Hudson Railroad and Transportation Company | | | 1907 | | | - |
| Hudson Connecting Railway | | NYSW | 1869 | 1880 | New York, Susquehanna and Western Railroad | - |
| Hudson River Railroad and Terminal Company | | NYSW | 1892 | 1893 | New York, Susquehanna and Western Railroad | - |
| Irvington Railroad | | LV | 1904 | 1906 | Lehigh Valley Railroad of New Jersey | - |
| Island Heights Railroad | | PRR | 1883 | 1885 | Philadelphia and Long Branch 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 | - |
| Jersey City Belt Line Railway | | LV | 1890 | 1913 | Lehigh Valley Railroad of New Jersey | - |
| Jersey City, Newark and Western Railway | | LV | 1889 | 1891 | Lehigh Valley Terminal Railway | - |
| Jersey City Terminal Railway | | LV | 1888 | 1891 | Lehigh Valley Terminal Railway | - |
| Jersey City and Western Railway | | LV | 1889 | 1891 | National Docks Railway | - |
| Jersey Southern Railway | JSRW | | 1984 | 1987 | Winchester and Western Railroad | - |
| Kaighn's Point Terminal Railroad | | PRSL | 1888 | 1889 | Atlantic City Railroad | - |
| Keyport Railroad | | CNJ | 1888 | 1890 | Freehold and Keyport Railroad | - |
| Kill von Kull Railway | | LV | 1885 | 1898 | National Docks Railway | - |
| Kinkora and New Lisbon Railroad | | PRR | 1903 | 1915 | Pennsylvania and Atlantic Railroad | - |
| Lackawanna Railroad of New Jersey | | DL&W | 1908 | 1945 | Delaware, Lackawanna and Western Railroad | - |
| Lafayette Railroad | | CNJ | 1889 | 1917 | Central Railroad of New Jersey | - |
| Lake Hopatcong Railroad | | CNJ | 1882 | 1887 | Central Railroad of New Jersey | - |
| Lehigh Coal and Navigation Company | | CNJ | 1865 | 1978 | Consolidated Rail Corporation | - |
| Lehigh and Hudson River Railway | | L&HR | 1881 | 1882 | Lehigh and Hudson River Railway | - |
| Lehigh and Hudson River Railway | L&HR, LHR | L&HR | 1882 | 1976 | Consolidated Rail Corporation | - |
| Lehigh and New England Railroad | LNE | LNE | 1895 | 1961 | N/A | - |
| Lehigh Valley Railroad | LV | LV | 1855 | 1976 | Consolidated Rail Corporation | - |
| Lehigh Valley Railroad of New Jersey | | LV | 1903 | 1949 | Lehigh Valley Railroad | - |
| Lehigh Valley Terminal Railway | | LV | 1891 | 1903 | Lehigh Valley Railroad of New Jersey | - |
| Lodi Branch Railroad | | NYSW | 1870 | 1953 | New York, Susquehanna and Western Railroad | - |
| Long Beach Railroad | | PRR | 1883 | 1894 | Barnegat Railroad, Philadelphia and Beach Haven Railroad | - |
| Long Branch and Barnegat Bay Railroad | | CNJ/ PRR | 1880 | 1881 | New York and Long Branch Railroad | - |
| Long Branch and Sea Girt Railroad | | CNJ/ PRR | 1875 | 1881 | New York and Long Branch Railroad | - |
| Long Branch and Sea Shore Railroad | | CNJ | 1863 | 1879 | New Jersey Southern Railway | - |
| Long Dock Company | | ERIE | 1856 | 1942 | Erie Railroad | - |
| Longwood Valley Railroad | | CNJ | 1867 | 1887 | Central Railroad of New Jersey | - |
| Lucaston Railroad | | | 1892 | | | - |
| Macopin Railroad | | ERIE | 1886 | 1926 | N/A | - |
| Manahawkin and Long Beach Transportation Company | | | 1893 | 1909 | N/A | - |
| Manchester and Barnegat Bay Railway | | | | 1869 | Tuckerton Railroad | - |
| Manufacturers' Railroad | | CNJ | 1873 | 1887 | Central Railroad of New Jersey | - |
| Manufacturers' Extension Railroad | | CNJ | 1889 | 1917 | Central Railroad of New Jersey | - |
| Martins Creek Railroad | | PRR | 1885 | 1896 | Belvidere Delaware Railroad | - |
| Maurice River Railroad | | PRSL | 1887 | 1887 | West Jersey Railroad | - |
| May's Landing and Egg Harbor City Railroad | | PRSL | 1871 | 1882 | N/A | - |
| Mercer and Somerset Railway | | PRR | 1870 | 1879 | N/A | - |
| Middle Brook Railroad | | CNJ | 1899 | 1917 | Central Railroad of New Jersey | - |
| Middle Valley Railroad | | CNJ | 1897 | 1917 | Central Railroad of New Jersey | - |
| Middlesex Railway | | LV | 1888 | 1903 | Lehigh Valley Railroad of New Jersey | - |
| Midland Railroad of New Jersey | | NYSW | 1880 | 1881 | New York, Susquehanna and Western Railroad | - |
| Midland Connecting Railway | | NYSW | 1881 | 1881 | New York, Susquehanna and Western Railroad | - |
| Midland Terminal and Ferry Company | | NYC | 1873 | 1883 | West Shore and Ontario Terminal Company | - |
| Millstone and New Brunswick Railroad | | PRR | 1837 | 1915 | United New Jersey Railroad and Canal Company | - |
| Millville and Glassboro Railroad | | PRSL | 1859 | 1868 | West Jersey Railroad | - |
| Mine Hill Railroad | | L&HR | 1891 | 1912 | Lehigh and Hudson River Railway | - |
| Monmouth County Agricultural Railroad | | CNJ | 1867 | 1877 | Freehold and New York Railway | - |
| Monmouth Park Railroad | | | 1878 | 1889 | N/A | - |
| Montclair Railway | | ERIE | 1867 | 1875 | Montclair and Greenwood Lake Railway | - |
| Montclair and Greenwood Lake Railway | | ERIE | 1875 | 1878 | New York and Greenwood Lake Railway | - |
| Morris County Railroad | | CNJ | 1885 | 1905 | Wharton and Northern Railroad | - |
| Morris County Connecting Railroad | | CNJ | 1901 | 1905 | Wharton and Northern Railroad | - |
| Morris and Essex Railroad | | DL&W | 1835 | 1945 | Delaware, Lackawanna and Western Railroad | - |
| Morris and Essex Extension Railroad | | DL&W | 1889 | 1947 | Delaware, Lackawanna and Western Railroad | - |
| Morristown and Erie Railroad | MT&E, ME | | 1903 | 1978 | Morristown and Erie Railway | - |
| Mount Holly, Lumberton and Medford Railroad | | PRR | 1866 | 1915 | Camden and Burlington County Railway | - |
| Mount Hope Mineral Railroad | MHM | CNJ | 1866 | 1976 | Consolidated Rail Corporation | - |
| National Docks Railway | | LV | 1879 | 1905 | Lehigh Valley Railroad of New Jersey | - |
| National Docks and New Jersey Junction Connecting Railway | | LV | 1888 | 1898 | National Docks Railway | - |
| Navesink Railroad | | CNJ | 1891 | 1917 | Central Railroad of New Jersey | - |
| New Egypt and Farmingdale Railroad | | CNJ/ PRR | 1869 | 1881 | New York and Long Branch Railroad | - |
| New Jersey Railroad and Transportation Company | | PRR | 1832 | 1872 | United New Jersey Railroad and Canal Company | - |
| New Jersey, Hudson and Delaware Railroad | | NYSW | 1832 | 1870 | New Jersey Midland Railway | - |
| New Jersey Junction Railroad | | ERIE, NYC | 1886 | 1952 | New York Central Railroad | - |
| New Jersey Midland Railway | | NYSW | 1870 | 1880 | New York, Susquehanna and Western Railroad | - |
| New Jersey and New York Railroad | | ERIE | 1874 | 1880 | New Jersey and New York Railway | - |
| New Jersey and New York Railway | | ERIE | 1880 | 1960 | Erie–Lackawanna Railroad | - |
| New Jersey and New York Extension Railroad | | ERIE | 1886 | | | - |
| New Jersey and Pennsylvania Railroad | | | 1904 | 1915 | Pennsylvania and New Jersey Railroad | - |
| New Jersey Shore Line Railroad | | NYC | 1886 | 1914 | New Jersey Junction Railroad | - |
| New Jersey Southern Railroad | | CNJ | 1870 | 1879 | New Jersey Southern Railway | - |
| New Jersey Southern Railway | | CNJ | 1879 | 1917 | Central Railroad of New Jersey | - |
| New Jersey Terminal Railroad | | CNJ | 1901 | 1917 | Central Railroad of New Jersey | - |
| New Jersey West Line Railroad | | DL&W | 1870 | 1878 | Passaic and Delaware Railroad | - |
| New Jersey Western Railroad | | NYSW | 1867 | 1870 | New Jersey Midland Railway | - |
| New Orange Four Junction Railroad | | | 1901 | 1905 | Rahway Valley Railroad | - |
| New York and Atlantic Highlands Railroad | | CNJ | 1883 | 1889 | Atlantic Highlands Railroad | - |
| New York Bay Railroad | | PRR | 1890 | 1956 | United New Jersey Railroad and Canal Company | - |
| New York and Bull's Ferry Railroad | | NYC | 1861 | 1862 | New York and Fort Lee Railroad | - |
| New York Central Railroad | NYC | NYC | 1914 | 1968 | Penn Central Transportation Company | - |
| New York Central and Hudson River Railroad | | NYC | 1885 | 1914 | New York Central Railroad | - |
| New York Cross Harbor Railroad Terminal Corporation | NYCH | | 1983 | 2006 | New York New Jersey Rail, LLC | - |
| New York and Erie Railroad | | ERIE | 1852 | 1861 | Erie Railway | - |
| New York and Fort Lee Railroad | | NYC | 1862 | 1952 | New York Central Railroad | - |
| New York and Greenwood Lake Railway | | ERIE | 1878 | 1943 | Erie Railroad | - |
| New York, Lake Erie and Western Railroad | | ERIE | 1878 | 1895 | Erie Railroad | - |
| New York, Lake Erie and Western Docks and Improvement Company | | ERIE | 1881 | 1942 | Erie Railroad | - |
| New York and Long Branch Railroad | NYLB | CNJ/ PRR | 1868 | 1976 | Consolidated Rail Corporation | - |
| New York and Long Branch Extension Railroad | | CNJ/ PRR | 1880 | 1881 | New York and Long Branch Railroad | - |
| New York and New Orange Railroad | | | 1897 | 1900 | New Orange Four Junction Railroad | - |
| New York, Ontario and Western Railway | O&W, OW | NH | 1883 | 1957 | N/A | - |
| New York, Susquehanna and Western Railroad | S&W, NYSW | NYSW | 1881 | 1980 | New York, Susquehanna and Western Railway | - |
| New York, West Shore and Buffalo Railway | | NYC | 1881 | 1885 | West Shore Railroad | - |
| Newark Railway | | LV | 1890 | 1891 | Lehigh Valley Terminal Railway | - |
| Newark Bay Railway | | LV | 1890 | 1913 | Lehigh Valley Railroad of New Jersey | - |
| Newark and Bloomfield Railroad | | DL&W | 1852 | 1945 | Delaware, Lackawanna and Western Railroad | - |
| Newark and Hudson Railroad | | ERIE | 1870 | 1942 | Erie Railroad | - |
| Newark and New York Railroad | | CNJ | 1866 | 1873 | Central Railroad of New Jersey | - |
| Newark and Passaic Railway | | LV | 1889 | 1891 | Lehigh Valley Terminal Railway | - |
| Newark and Roselle Railway | | LV | 1889 | 1891 | Lehigh Valley Terminal Railway | - |
| North Jersey Railroad | | NYSW | 1881 | 1881 | New York, Susquehanna and Western Railroad | - |
| North River Railroad | | NYC | 1881 | 1881 | New York, West Shore and Buffalo Railway | - |
| Northern Railroad of New Jersey | | ERIE | 1854 | 1943 | Erie Railroad | - |
| Ocean City Railroad | | PRSL | 1896 | 1901 | Atlantic City Railroad | - |
| Ocean City Railroad | | PRSL | 1884 | 1885 | West Jersey Railroad | - |
| Ogden Mine Railroad | | CNJ | 1864 | 1941 | N/A | - |
| Passaic and Delaware Railroad | | DL&W | 1878 | 1945 | Delaware, Lackawanna and Western Railroad | - |
| Passaic and Delaware Extension Railroad | | DL&W | 1890 | 1947 | Delaware, Lackawanna and Western Railroad | - |
| Passaic and New York Railroad | | NYSW | 1885 | 1953 | New York, Susquehanna and Western Railroad | - |
| Passaic River Extension Railroad | | CNJ | 1890 | 1917 | Central Railroad of New Jersey | - |
| Passaic Valley and Peapack Railroad | | DL&W | 1865 | 1870 | New Jersey West Line Railroad | - |
| Paterson Extension Railroad | | NYSW | 1881 | 1881 | New York, Susquehanna and Western Railroad | - |
| Paterson and Hudson River Railroad | | ERIE | 1831 | 1953 | Erie Railroad | - |
| Paterson and Newark Railroad | | ERIE | 1864 | 1871 | Paterson, Newark and New York Railroad | - |
| Paterson, Newark and New York Railroad | | ERIE | 1872 | 1942 | Erie Railroad | - |
| Paterson and Ramapo Railroad | | ERIE | 1841 | 1946 | Erie Railroad | - |
| Pemberton and Hightstown Railroad | | PRR | 1864 | 1915 | Pennsylvania and Atlantic Railroad | - |
| Pemberton and New York Railroad | | PRR | 1870 | 1879 | Pemberton and Sea Shore Railroad | - |
| Pemberton and Sea Shore Railroad | | PRR | 1879 | 1883 | Philadelphia and Long Branch Railroad | - |
| Penhorn Creek Railroad | | ERIE | 1897 | 1942 | Erie Railroad | - |
| Penn Central Transportation Company | PC | | 1968 | 1976 | Consolidated Rail Corporation | - |
| Penndel Company | | PRR | 1954 | 1976 | Consolidated Rail Corporation | - |
| Pennsylvania Railroad | PRR | PRR | 1871 | 1968 | Penn Central Transportation Company | - |
| Pennsylvania and Atlantic Railroad | PAUT | PRR | 1915 | 1976 | Consolidated Rail Corporation | - |
| Pennsylvania and New England Railroad | | LNE | 1880 | 1882 | Pennsylvania, Slatington and New England Railroad | - |
| Pennsylvania and New Jersey Railroad | | | 1915 | 1917 | N/A | - |
| Pennsylvania and New Jersey Railroad | | PRR | 1894 | 1896 | Delaware River Railroad and Bridge Company | - |
| Pennsylvania, New Jersey and New York Railroad | | PRR | 1902 | 1907 | Pennsylvania Tunnel and Terminal Railroad | - |
| Pennsylvania, Poughkeepsie and Boston Railroad | | LNE | 1887 | 1895 | Lehigh and New England Railroad | - |
| Pennsylvania–Reading Seashore Lines | PRSL | PRSL | 1933 | 1976 | Consolidated Rail Corporation | - |
| Pennsylvania, Slatington and New England Railroad | | LNE | 1882 | 1887 | Pennsylvania, Poughkeepsie and Boston Railroad | - |
| Pennsylvania Tunnel and Terminal Railroad | | PRR | 1907 | 1976 | Consolidated Rail Corporation | - |
| Pequest and Wallkill Railroad | | L&HR | 1866 | 1881 | Lehigh and Hudson River Railway | - |
| Perth Amboy and Bound Brook Railroad | | LV | 1858 | 1872 | Easton and Amboy Railroad | - |
| Perth Amboy and Elizabethport Railroad | | CNJ | 1869 | 1873 | Central Railroad of New Jersey | - |
| Perth Amboy and Raritan Railway | | LV | 1890 | 1903 | Lehigh Valley Railroad of New Jersey | - |
| Perth Amboy and Long Branch Railroad | | PRR | 1890 | 1891 | Perth Amboy and Woodbridge Railroad | - |
| Perth Amboy and Woodbridge Railroad | | PRR | 1855 | 1958 | United New Jersey Railroad and Canal Company | - |
| Petersburg and Sea Isle Railroad | | PRSL | 1893 | 1893 | South Jersey Railroad | - |
| Philadelphia and Atlantic City Railroad | | PRSL | 1883 | 1889 | Atlantic City Railroad | - |
| Philadelphia and Atlantic City Railway | | PRSL | 1876 | 1883 | Philadelphia and Atlantic City Railroad | - |
| Philadelphia and Beach Haven Railroad | | PRR | 1894 | 1935 | N/A | - |
| Philadelphia and Brigantine Railroad | | | 1896 | 1903 | N/A | - |
| Philadelphia and Long Branch Railroad | | PRR | 1883 | 1915 | Pennsylvania and Atlantic Railroad | - |
| Philadelphia and Long Branch Railway | | PRR | 1880 | 1883 | Philadelphia and Long Branch Railroad | - |
| Philadelphia, Marlton and Medford Railroad | | PRSL | 1880 | 1896 | West Jersey and Seashore Railroad | - |
| Philadelphia and Reading Railroad | | RDG | 1879 | 1896 | Philadelphia and Reading Railway | - |
| Philadelphia and Reading Railway | P&R | RDG | 1896 | 1924 | Reading Company | - |
| Philadelphia and Sea Shore Railway | | PRSL | 1889 | 1892 | Petersburg and Sea Isle Railroad, Richland and Petersburg Railroad, Winslow and Richland Railroad | - |
| Philadelphia and Trenton Railroad | | PRR | 1837 | 1871 | Pennsylvania Railroad | - |
| Pittstown Branch Railway | | LV | 1890 | 1903 | Lehigh Valley Railroad of New Jersey | - |
| Pleasantville and Ocean City Railroad | | PRSL | 1880 | 1892 | West Jersey and Atlantic Railroad | - |
| Pochuck Railroad | | LNE | 1897 | 1926 | N/A | - |
| Pohatcong Railroad | | | 1907 | | | - |
| Port Oram Railroad | | CNJ | 1886 | 1905 | Wharton and Northern Railroad | - |
| Port Reading Railroad | | RDG | 1890 | 1976 | Consolidated Rail Corporation | - |
| Rahway Valley Company | RV | | 1909 | 1992 | N/A | - |
| Rahway Valley Railroad | | | 1904 | 1992 | N/A | - |
| Raritan and Delaware Bay Railroad | | CNJ | 1854 | 1870 | New Jersey Southern Railroad | - |
| Raritan North Shore Railroad | | CNJ | 1890 | 1917 | Central Railroad of New Jersey | - |
| Raritan River Railroad | RR | CNJ/ PRR | 1888 | 1980 | Consolidated Rail Corporation | - |
| Raritan Terminal and Transportation Company | | LV | 1898 | | | - |
| Reading Company | RDG | RDG | 1924 | 1976 | Consolidated Rail Corporation | - |
| Richland and Petersburg Railroad | | PRSL | 1892 | 1893 | South Jersey Railroad | - |
| Ridgefield Park Railroad | | NYC | 1867 | 1873 | Jersey City and Albany Railroad | - |
| Rockaway River and Montville Railroad | | DL&W | 1873 | 1917 | N/A | - |
| Rockaway Valley Railroad | | | 1888 | 1895 | Rockaway Valley Railway | - |
| Rockaway Valley Railway | | | 1895 | 1904 | New Jersey and Pennsylvania Railroad | - |
| Rockaway Valley Extension Railroad | | | 1889 | 1890 | Rockaway Valley Railroad | - |
| Rockaway Valley Manufacturing and Construction Company | | | 1890 | 1895 | Rockaway Valley Railway | - |
| Rockaway Valley Mendham Extension Railroad | | | 1890 | 1895 | Rockaway Valley Railway | - |
| Rockaway Valley Morristown Extension Railroad | | | 1892 | 1895 | Rockaway Valley Railway | - |
| Rockaway Valley Peapack Extension Railroad | | | 1889 | 1890 | Rockaway Valley Railroad | - |
| Rocky Hill Railroad and Transportation Company | | PRR | 1853 | 1958 | United New Jersey Railroad and Canal Company | - |
| Roseland Railway | | ERIE | 1891 | 1897 | New York and Greenwood Lake Railway | - |
| Roselle and South Plainfield Railway | | LV | 1885 | 1891 | Lehigh Valley Terminal Railway | - |
| Salem Railroad | | PRSL | 1856 | 1887 | West Jersey Railroad | - |
| Salem Branch Railroad | | PRSL | 1886 | 1887 | West Jersey Railroad | - |
| Seacoast Railroad | | PRSL | 1898 | 1901 | Atlantic City Railroad | - |
| Shore Fast Line, Inc. | SFLR | | 1983 | 1991 | Southern Railroad of New Jersey | - |
| Somerville and Easton Railroad | | CNJ | 1847 | 1849 | Central Railroad of New Jersey | - |
| Sound Shore Railroad | | CNJ | 1894 | 1917 | Central Railroad of New Jersey | - |
| South Branch Railroad | | CNJ | 1861 | 1888 | Central Railroad of New Jersey | - |
| South Easton and Phillipsburg Railroad | | L&HR | 1889 | 1912 | Lehigh and Hudson River Railway | - |
| South Jersey Railroad | | PRSL | 1893 | 1898 | Seacoast Railroad | - |
| South Mountain and Boston Railroad | | LNE | 1873 | 1880 | Pennsylvania and New England Railroad | - |
| Southern New Jersey Railroad | | | 1937 | 1940 | N/A | - |
| Speedwell Lake Railroad | | | | 1904 | New Jersey and Pennsylvania Railroad | - |
| Squankum and Freehold Marl Company | | PRR | 1868 | 1879 | Freehold and Jamesburg Agricultural Railroad | - |
| Staten Island Railroad | SIRC | B&O | 1971 | 1991 | N/A | - |
| 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 | - |
| Stone Harbor Railroad | | PRSL | 1912 | 1936 | Pennsylvania–Reading Seashore Lines | - |
| Stone Harbor Terminal Railroad | | | 1912 | 1921 | Stone Harbor Railroad | - |
| Sussex Railroad | | DL&W | 1853 | 1945 | Delaware, Lackawanna and Western Railroad | - |
| Sussex Mine Railroad | | DL&W | 1848 | 1853 | Sussex Railroad | - |
| Sussex Valley Railroad | | NYSW | 1867 | 1870 | New Jersey Midland Railway | - |
| Swedesboro Railroad | | PRSL | 1866 | 1887 | West Jersey Railroad | - |
| Toms River Railroad | | CNJ | 1881 | 1917 | Central Railroad of New Jersey | - |
| Toms River and Barnegat Railroad | | CNJ | 1893 | 1917 | Central Railroad of New Jersey | - |
| Toms River and Waretown Railroad | | CNJ | 1870 | 1873 | Toms River and Barnegat Railroad | - |
| Trenton Delaware Bridge Company | | PRR | 1835 | 1903 | N/A | - |
| Trenton–Princeton Traction Company | TPT | RDG | 1922 | 1976 | Consolidated Rail Corporation | Electric until 1940 |
| Tuckahoe and Cape May Railway | | PRSL | 1890 | 1894 | Cape May Railroad | - |
| Tuckerton Railroad | | | 1869 | 1936 | Southern New Jersey Railroad | - |
| Union Transportation Company | UTR | | 1888 | 1976 | Consolidated Rail Corporation | - |
| United New Jersey Railroad and Canal Company | | PRR | 1872 | 1976 | Consolidated Rail Corporation | - |
| Vincentown Branch of the Burlington County Railroad | | PRR | 1861 | 1915 | Camden and Burlington County Railway | - |
| Vineland Railroad | | CNJ | 1877 | 1917 | Central Railroad of New Jersey | - |
| Vineland Railway | | CNJ | 1867 | 1873 | Vineland Railroad | - |
| Vineland Branch Railroad | | CNJ | 1909 | 1917 | Central Railroad of New Jersey | - |
| Warren Railroad | | DL&W | 1851 | 1945 | Delaware, Lackawanna and Western Railroad | - |
| Warwick Valley Railroad | | L&HR | 1880 | 1882 | Lehigh and Hudson River Railway | - |
| Watchung Railway | | ERIE | 1870 | 1893 | New York and Greenwood Lake Railway | - |
| Waverly and New York Bay Railroad | | PRR | 1889 | 1890 | New York Bay Railroad | - |
| Waverly and Passaic Railroad | | PRR | 1889 | 1890 | New York Bay Railroad | - |
| Wawayanda Railroad | | L&HR | 1879 | 1880 | Warwick Valley Railroad | - |
| Weehawken Transportation Company | | NYC | 1871 | 1873 | Midland Terminal and Ferry Company | - |
| West End Railroad | | CNJ | 1878 | 1917 | Central Railroad of New Jersey | - |
| West Jersey Railroad (Pioneer) | WJ | | 1988 | 1995 | Southern Railroad of New Jersey | Renamed West Michigan Railroad in 1995. Subsidiary of Pioneer Railcorp. |
| West Jersey Short Line, Inc. | | | 1985 | 1988 | West Jersey Railroad (Pioneer) | - |
| West Jersey Railroad | | PRSL | 1853 | 1896 | West Jersey and Seashore Railroad | - |
| West Jersey and Atlantic Railroad | | PRSL | 1879 | 1896 | West Jersey and Seashore Railroad | - |
| West Jersey and Seashore Railroad | | PRSL | 1896 | 1976 | Consolidated Rail Corporation | - |
| West Jersey Terminal Railroad | | PRSL | 1887 | 1887 | West Jersey Railroad | - |
| West Shore Railroad | | NYC | 1885 | 1952 | New York Central Railroad | - |
| West Shore and Ontario Terminal Company | | NYC | 1883 | 1901 | West Shore Railroad | - |
| West Side Connecting Railroad | | CNJ | 1889 | 1917 | Central Railroad of New Jersey | - |
| Wharton and Northern Railroad | W&NO, WHN | CNJ | 1905 | 1976 | Consolidated Rail Corporation | - |
| Whippany and Passaic River Railroad | | | 1902 | 1903 | Morristown and Erie Railroad | - |
| Whippany River Railroad | | | 1895 | 1903 | Morristown and Erie Railroad | - |
| Wildwood and Delaware Bay Short Line Railroad | W&DB | PRSL | 1910 | 1935 | Pennsylvania–Reading Seashore Lines | - |
| Williamstown Railroad | | PRSL | 1861 | 1883 | Williamstown and Delaware River Railroad | - |
| Williamstown and Delaware River Railroad | | PRSL | 1883 | 1889 | Atlantic City Railroad | - |
| Winslow and Richland Railroad | | PRSL | 1892 | 1893 | South Jersey Railroad | - |
| Woodstown and Swedesboro Railroad | | PRSL | 1871 | 1887 | West Jersey Railroad | - |