List of Wisconsin railroads
The following railroads operate in the U.S. state of Wisconsin.
Current railroads
Common freight carriers
- BNSF Railway
- Canadian National Railway through subsidiaries Duluth, Missabe and Iron Range Railway, Duluth, Winnipeg and Pacific Railway, Sault Ste. Marie Bridge Company, and Wisconsin Central Ltd.
- Canadian Pacific Railway through subsidiaries Dakota, Minnesota and Eastern Railroad and Soo Line Railroad
- Escanaba and Lake Superior Railroad
- Progressive Rail, Inc.
- Tomahawk Railway
- Union Pacific Railroad
- Wisconsin and Southern Railroad
- Wisconsin Great Northern Railroad
- Wisconsin Northern Railroad
- Wisconsin Rapids Railroad
Passenger carriers
- Amtrak
- East Troy Electric Railroad
- Kenosha Streetcar
- Laona and Northern Railway
- Metra
- Mid-Continent Railway Museum
- Osceola and St. Croix Valley Railway
- The Hop
- Wisconsin Great Northern Railroad
Industrial/private carriers
- Cando Rail Services
- Cenex Harvest States
- Port of Milwaukee
- Rail & Transload, Inc.
- Badger Mining Corporation
- US Army
- Wisconsin Public Service Corporation
Proposed
- Great Lakes Basin Railroad
Defunct railroads
| Name | Mark | System | From | To | Successor | Notes |
| Abbotsford and Northeastern Railroad | CP | 1889 | 1910 | Wisconsin Central Railway | - | |
| Ahnapee and Western Railway | AW, AHW | GB&W | 1890 | 1993 | Fox Valley and Western Ltd. | - |
| Allouez Bay Dock Company | GN | 1903 | 1913 | Great Northern Railway | - | |
| Appleton and New London Railway | CNW | 1866 | 1875 | Milwaukee, Lake Shore and Western Railroad, Milwaukee, Lake Shore and Western Railway | - | |
| Ashland Railway | CNW | 1882 | 1885 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Ashland, Odanah and Marengo Railway | - | |||||
| Baraboo Air Line Railroad | CNW | 1870 | 1871 | Chicago and North Western Railway | - | |
| Bayfield Harbor and Great Western Railroad | - | |||||
| Bayfield, Superior and Minneapolis Railway | - | |||||
| Bayfield Transfer Railway | 1883 | - | ||||
| Beaver Dam and Baraboo Railroad | MILW | 1855 | 1856 | Madison, Fond du Lac and Michigan Railroad | - | |
| Beloit and Madison Railroad | CNW | 1852 | 1871 | Chicago and North Western Railway | - | |
| Big Falls Railway | - | |||||
| Black River Railroad | CNW | 1878 | 1880 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Burlington Northern Inc. | BN | 1970 | 1981 | Burlington Northern Railroad | - | |
| Burlington Northern Railroad | BN | 1981 | 1996 | Burlington Northern and Santa Fe Railway | - | |
| Calumet and Blue Island Railway | 1896 | 1897 | Chicago, Lake Shore and Eastern Railway | - | ||
| Cazenovia and Sauk City Railroad | 1909 | 1913 | Cazenovia Southern Railroad | - | ||
| Cazenovia Southern Railroad | 1913 | 1937 | N/A | - | ||
| Cedar Falls and Northern Railway | CNW | 1881 | 1883 | Menomonie Railway | - | |
| Central Wisconsin Railroad | CWRC | 1980 | 1985 | Wisconsin and Calumet Railroad | - | |
| Chicago, Burlington and Northern Railroad | CB&Q | 1885 | 1899 | Chicago, Burlington and Quincy Railroad | - | |
| Chicago, Burlington and Quincy Railroad | CB&Q | CB&Q | 1899 | 1970 | Burlington Northern Inc. | - |
| Chicago, Burlington and Quincy Railway | CB&Q | 1901 | 1907 | N/A | Leased the Chicago, Burlington and Quincy Railroad | |
| Chicago, Lake Shore and Eastern Railway | 1897 | 1909 | Elgin, Joliet and Eastern Railway | - | ||
| Chicago and Lake Superior Railway | 1897 | - | ||||
| Chicago, Madison and Northern Railroad | 1980 | 1982 | Central Wisconsin Railroad | - | ||
| Chicago, Madison and Northern Railroad | IC | 1886 | 1903 | Illinois Central Railroad | - | |
| Chicago and Milwaukee Railway | CNW | 1863 | 1881 | Chicago, Milwaukee and North Western Railway | - | |
| Chicago, Milwaukee and North Western Railway | CNW | 1881 | 1883 | Chicago and North Western Railway | - | |
| Chicago, Milwaukee and St. Paul Railway | MILW | 1874 | 1928 | Chicago, Milwaukee, St. Paul and Pacific Railroad | - | |
| Chicago, Milwaukee, St. Paul and Pacific Railroad | MILW | MILW | 1928 | 1985 | The Milwaukee Road, Inc. | - |
| Chicago and North Western Railway | CNW | CNW | 1859 | 1972 | Chicago and North Western Transportation Company | - |
| Chicago and North Western Transportation Company | CNW | CNW | 1972 | 1995 | Union Pacific Railroad | - |
| Chicago, St. Paul and Fond du Lac Railroad | CNW | 1855 | 1859 | Chicago and North Western Railway | - | |
| Chicago, St. Paul and Minneapolis Railway | CNW | 1878 | 1880 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Chicago, St. Paul, Minneapolis and Omaha Railway | CMO | CNW | 1880 | 1972 | Chicago and North Western Transportation Company | - |
| Chicago and Superior Railroad | MILW | 1873 | 1880 | Chicago, Milwaukee and St. Paul Railway | - | |
| Chicago and Tomah Railroad | CNW | 1872 | 1880 | Milwaukee and Madison Railway | - | |
| Chicago, Wisconsin and Minnesota Railroad | CP | 1885 | 1899 | Wisconsin Central Railway | - | |
| Chicago, Wisconsin and Northern Railroad | CP | 1884 | 1888 | Chicago, Wisconsin and Minnesota Railroad | - | |
| Chippewa Falls and Northern Railway | CNW | 1881 | 1883 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Chippewa Falls and Western Railway | CP | 1873 | 1888 | Minnesota, St. Croix and Wisconsin Railroad | - | |
| Chippewa River Railroad | CVSR | - | ||||
| Chippewa River and Menomonie Railway | 1883 | 1902 | Chippewa River and Northern Railway | - | ||
| Chippewa River and Northern Railway | 1902 | - | ||||
| Chippewa Valley and Northern Railway | 1900 | - | ||||
| Chippewa Valley and Northwestern Railway | CNW | 1901 | 1904 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Chippewa Valley and Superior Railway | MILW | 1881 | 1882 | Chicago, Milwaukee and St. Paul Railway | - | |
| Cuyuna Dock Company | NP | 1912 | 1915 | Northern Pacific Railway | - | |
| Dells and Northeastern Railway | 1936 | - | ||||
| Dixon, Rockford and Kenosha Railway | CNW | 1864 | 1864 | Chicago and North Western Railway | - | |
| Drummond and Southwestern Railway | 1891 | - | ||||
| Dubuque, Platteville and Milwaukee Railroad | MILW | 1867 | 1880 | Mineral Point Railroad | - | |
| Duluth, Missabe and Northern Railway | DM&N | 1915 | 1937 | Duluth, Missabe and Iron Range Railway | - | |
| Duluth Short Line Railway | NP | 1886 | 1898 | St. Paul and Duluth Railroad | - | |
| Duluth, South Shore and Atlantic Railroad | CP | 1949 | 1961 | Soo Line Railroad | - | |
| Duluth, South Shore and Atlantic Railway | DS&A, DSS&A, DSA | CP | 1887 | 1949 | Duluth, South Shore and Atlantic Railroad | - |
| Duluth and Superior Bridge Company | 1894 | - | ||||
| Duluth, Superior and Michigan Railway | CP | 1886 | 1887 | Duluth, South Shore and Atlantic Railway | - | |
| Duluth, Superior and Western Terminal Company | GN | 1897 | 1908 | Allouez Bay Dock Company, Great Northern Railway | - | |
| Duluth and Winnipeg Terminal Company | GN | 1892 | 1897 | Duluth, Superior and Western Terminal Company | - | |
| Dunbar and Wausaukee Railway | 1882 | - | ||||
| Eastern Railway of Minnesota | GN | 1888 | 1907 | Great Northern Railway | - | |
| Eastern LaFayette and Mississippi Railway | MILW | 1871 | 1880 | Chicago, Milwaukee and St. Paul Railway | - | |
| Eau Claire Railway | CNW | 1879 | 1893 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Eau Claire and Chippewa Falls Railway | CNW | 1881 | 1883 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Eau Claire, Chippewa Falls and Northeastern Railway | CNW | 1902 | 1904 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Elgin, Joliet and Eastern Railway | 1909 | 1913 | N/A | Leased the Milwaukee, Bay View and Chicago Railroad | ||
| Elgin and State Line Railroad | CNW | 1880 | 1883 | Chicago and North Western Railway | - | |
| Elkhorn and Walworth Railroad | 1982 | 1985 | Wisconsin and Calumet Railroad | - | ||
| Ettrick Railroad | 1929 | 1937 | N/A | - | ||
| Ettrick and Northern Railroad | 1915 | 1929 | Ettrick Railroad | - | ||
| Fairchild and Mississippi River Railway | CNW | 1886 | 1887 | Sault Ste. Marie and Southwestern Railway | - | |
| Fairchild and North-Eastern Railway | 1898 | 1929 | N/A | - | ||
| Fond du Lac, Amboy and Peoria Railway | MILW | 1875 | 1883 | Chicago, Milwaukee and St. Paul Railway | - | |
| Fond du Lac and Whitewater Railway | MILW | 1874 | 1875 | Fond du Lac, Amboy and Peoria Railway | - | |
| Fox Lake Railroad | MILW | 1859 | 1904 | Chicago, Milwaukee and St. Paul Railway | - | |
| Fox Lake and Wisconsin River Railroad | MILW | 1857 | 1859 | Fox Lake Railroad | - | |
| Fox River Valley Railroad | FRVR | 1988 | 1993 | Fox Valley and Western Ltd. | - | |
| Fox Valley and Western Ltd. | FVW | 1993 | 2002 | Wisconsin Central Ltd. | - | |
| Freeport, Dodgeville and Northern Railroad | IC | 1887 | 1888 | Chicago, Madison and Northern Railroad | - | |
| Galena and Southern Wisconsin Railroad | CNW | 1857 | 1879 | Galena and Wisconsin Railroad | - | |
| Galena and Wisconsin Railroad | CNW | 1879 | 1880 | Chicago and Tomah Railroad | - | |
| Galesville and Mississippi River Railroad | CNW | 1882 | 1883 | Chicago and North Western Railway | - | |
| Glenwood and Northern Railway | 1902 | - | ||||
| Great Northern Railway | GN | GN | 1902 | 1970 | Burlington Northern Inc. | |
| Green Bay and Minnesota Railroad | 1851 | 1866 | Green Bay and Lake Pepin Railway | Paper railroad. Never built due to lack of funds. Charter succeeded by GB&LP RR. | ||
| Green Bay and Lake Pepin Railway | GB&W | 1866 | 1873 | Green Bay and Minnesota Railroad | - | |
| Green Bay, Milwaukee and Chicago Railroad | CNW | 1851 | 1857 | Milwaukee and Chicago Railroad | - | |
| Green Bay and Minnesota Railroad | GB&W | 1873 | 1881 | Green Bay, Winona and St. Paul Railroad | - | |
| Green Bay, Oshkosh, Madison and Southwestern Railroad | CP | 1903 | 1906 | Wisconsin and Northern Railroad | - | |
| Green Bay, Stevens Point and Northern Railroad | GB&W | 1881 | 1896 | Green Bay and Western Railroad | - | |
| Green Bay and Western Railroad | GB&W, GBW | GB&W | 1896 | 1993 | Fox Valley and Western Ltd. | - |
| Green Bay, Winona and St. Paul Railroad | GB&W | 1881 | 1896 | Green Bay and Western Railroad | - | |
| Hawthorne, Nebagamon and Superior Railway | 1898 | - | ||||
| Hazelhurst and Southeastern Railway | 1896 | - | ||||
| Hillsboro and Northeastern Railway | HLNE | 1901 | 1985 | Chicago and North Western Railway | - | |
| Hudson and River Falls Railway | CNW | 1878 | 1880 | North Wisconsin Railway | - | |
| Illinois Central Railroad | IC | IC | 1888 | 1972 | Illinois Central Gulf Railroad | - |
| Illinois Central Gulf Railroad | ICG | 1972 | 1980 | Chicago, Madison and Northern Railroad | - | |
| I&M Rail Link | IMRL | 1997 | 2002 | Iowa, Chicago and Eastern Railroad | - | |
| Interstate Transfer Railway | 1907 | 1938 | Duluth, Missabe and Iron Range Railway | - | ||
| Iola and Northern Railroad | GB&W | 1893 | 1914 | Green Bay and Western Railroad | - | |
| Iowa, Chicago and Eastern Railroad | ICE | 2002 | 2008 | Dakota, Minnesota and Eastern Railroad | - | |
| Iron Ridge and Mayville Railroad | MILW | 1865 | 1878 | Fond du Lac, Amboy and Peoria Railway | - | |
| Janesville, Beloit and Rockford Railway | MILW | 1880 | 1882 | Chicago, Milwaukee and St. Paul Railway | - | |
| Janesville and Evansville Railway | CNW | 1886 | 1887 | Chicago and North Western Railway | - | |
| Janesville and Southeastern Railway | MILW | 1900 | 1901 | Chicago, Milwaukee and St. Paul Railway | - | |
| Kenosha and Beloit Railroad | CNW | 1853 | 1857 | Kenosha and Rockford Railroad | - | |
| Kenosha and Rockford Railroad | CNW | 1857 | 1857 | Kenosha, Rockford and Rock Island Railroad | - | |
| Kenosha, Rockford and Rock Island Railroad | CNW | 1864 | 1864 | Dixon, Rockford and Kenosha Railway | - | |
| Kenosha, Rockford and Rock Island Railroad | CNW | 1857 | 1857 | Kenosha and State Line Railroad | - | |
| Kenosha and State Line Railroad | CNW | 1857 | 1864 | Kenosha, Rockford and Rock Island Railroad | - | |
| Kettle Moraine Scenic Railway | KMRY | MILW | 1971 | 2001 | N/A | - |
| Kewaunee, Green Bay and Western Railroad | KGB | GB&W | 1890 | 1969 | Green Bay and Western Railroad | - |
| Kickapoo Valley and Northern Railway | MILW | 1889 | 1899 | Wisconsin Western Railroad | - | |
| La Crosse and Milwaukee Railroad | MILW | 1852 | 1867 | Milwaukee and St. Paul Railway | - | |
| La Crosse and Onalaska Short Line Railroad | MILW | 1888 | 1903 | Chicago, Milwaukee and St. Paul Railway | - | |
| La Crosse and Southeastern Railway | MILW | 1904 | 1933 | Chicago, Milwaukee, St. Paul and Pacific Railroad | - | |
| La Crosse, Trempealeau and Prescott Railroad | CNW | 1857 | 1877 | Chicago and North Western Railway | - | |
| Lake Geneva and State Line Railway | CNW | 1887 | 1889 | Chicago and North Western Railway | - | |
| Lake Superior and Southeastern Railway | CP | 1904 | 1908 | Wisconsin Central Railway | - | |
| Lake Superior and South Western Railway | GN | 1885 | 1888 | Eastern Railway of Minnesota | - | |
| Lake Superior Terminal and Transfer Railway | LSTT | CNW/ CP/ GN/ NP | 1884 | 1987 | Burlington Northern Railroad | - |
| Laona and Northern Railway | LNO | 1902 | 1983 | Nicolet Badger Northern Railroad | - | |
| Lisbon, Necedah and Lake Superior Railway | MILW | 1889 | 1891 | Chicago, Milwaukee and St. Paul Railway | - | |
| Lone Rock – La Valle Railroad | 1904 | 1907 | Cazenovia and Sauk City Railroad | - | ||
| Madison and Beloit Railroad | CNW | 1848 | 1850 | Rock River Valley Union Railroad | - | |
| Madison, Fond du Lac and Michigan Railroad | MILW | 1855 | 1858 | Milwaukee, Watertown and Baraboo Valley Railroad | - | |
| Madison, Lodi and Baraboo Railroad | CNW | 1864 | 1870 | Baraboo Air Line Railroad | - | |
| Madison and Portage Railroad | MILW | 1870 | 1873 | Chicago and Superior Railroad | - | |
| Madison and Prairie du Chien Railroad | MILW | 1852 | 1853 | Milwaukee and Mississippi Railroad | - | |
| Manitowoc, Green Bay and North-Western Railway | CNW | 1904 | 1909 | Chicago and North Western Railway | - | |
| Manitowoc and Mississippi Railroad | CP | 1851 | 1868 | Manitowoc and Minnesota Railroad | - | |
| Manitowoc and Minnesota Railroad | CP | 1868 | 1871 | Wisconsin Central Railroad | - | |
| Manitowoc and Western Railroad | CP | 1895 | 1895 | Milwaukee and Lake Winnebago Railroad | - | |
| Marathon County Railway | 1903 | - | ||||
| Marinette, Tomahawk and Western Railroad | MTW | 1912 | 1992 | Tomahawk Railway | - | |
| Marinette, Tomahawk and Western Railway | 1894 | 1912 | Marinette, Tomahawk and Western Railroad | - | ||
| Markesan and Brandon Railway | MILW | 1882 | 1903 | Chicago, Milwaukee and St. Paul Railway | - | |
| Marshfield and Southeastern Railroad | CP | 1896 | 1901 | Wisconsin Central Railway | - | |
| Mattoon Railway | 1895 | - | ||||
| Mazomanie, Sauk City and Prairie du Sac Railroad | MILW | 1880 | 1886 | Chicago, Milwaukee and St. Paul Railway | - | |
| Menasha and Appleton Railway | MILW | 1879 | 1880 | Milwaukee and Northern Railroad | - | |
| Menominee Railway | CNW | 1879 | 1880 | Menominee River Railroad | - | |
| Menominee River Railroad | CNW | 1880 | 1882 | Chicago and North Western Railway | - | |
| Menomonie Railway | CNW | 1879 | 1893 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Milwaukee, Bay View and Chicago Railroad | 1889 | 1913 | Illinois Steel Company | - | ||
| Milwaukee and Chicago Railroad | CNW | 1857 | 1863 | Chicago and Milwaukee Railway | - | |
| Milwaukee, Dexterville and Northern Railway | MILW | 1884 | 1891 | Chicago, Milwaukee and St. Paul Railway | - | |
| Milwaukee and Fond du Lac Railroad | MILW | 1851 | 1853 | Milwaukee, Fond du Lac and Green Bay Railroad | - | |
| Milwaukee, Fond du Lac and Green Bay Railroad | MILW | 1853 | 1854 | La Crosse and Milwaukee Railroad | - | |
| Milwaukee and Horicon Railroad | MILW | 1852 | 1863 | Milwaukee and St. Paul Railway | - | |
| Milwaukee, Lake Shore and Western Railroad | CNW | 1872 | 1875 | Milwaukee, Lake Shore and Western Railway | - | |
| Milwaukee, Lake Shore and Western Railway | CNW | 1875 | 1893 | Chicago and North Western Railway | - | |
| Milwaukee and Lake Winnebago Railroad | CP | 1882 | 1899 | Wisconsin Central Railway | - | |
| Milwaukee and Madison Railway | CNW | 1880 | 1881 | Chicago, Milwaukee and North Western Railway | - | |
| Milwaukee, Manitowoc and Green Bay Railroad | CNW | 1870 | 1872 | Milwaukee, Lake Shore and Western Railroad | - | |
| Milwaukee, Menomonee Falls and Western Railway | MILW | 1885 | 1891 | Milwaukee and Superior Railway | - | |
| Milwaukee and Mississippi Railroad | MILW | 1850 | 1861 | Milwaukee and Prairie du Chien Railway | - | |
| Milwaukee and Northern Railroad | MILW | 1880 | 1893 | Chicago, Milwaukee and St. Paul Railway | - | |
| Milwaukee and Northern Railway | MILW | 1870 | 1880 | Milwaukee and Northern Railroad | - | |
| Milwaukee and Northwestern Railway | CNW | 1871 | 1872 | Northwestern Union Railway | - | |
| Milwaukee and Prairie du Chien Railway | MILW | 1861 | 1867 | Milwaukee and St. Paul Railway | - | |
| The Milwaukee Road, Inc. | MILW | MILW | 1985 | 1986 | Soo Line Railroad | - |
| Milwaukee and St. Paul Railway | MILW | 1863 | 1874 | Chicago, Milwaukee and St. Paul Railway | - | |
| Milwaukee, Sparta and North Western Railway | CNW | 1909 | 1912 | Chicago and North Western Railway | - | |
| Milwaukee and State Line Railway | CNW | 1905 | 1909 | Chicago and North Western Railway | - | |
| Milwaukee and Superior Railroad | MILW | 1856 | 1859 | Milwaukee and Northern Railway | - | |
| Milwaukee and Superior Railway | MILW | 1891 | 1900 | Chicago, Milwaukee and St. Paul Railway | - | |
| Milwaukee and Watertown Railroad | MILW | 1851 | 1856 | La Crosse and Milwaukee Railroad | - | |
| Milwaukee, Watertown and Baraboo Valley Railroad | MILW | 1858 | 1861 | Milwaukee and Western Railroad | - | |
| Milwaukee and Waukesha Railroad | MILW | 1847 | 1850 | Milwaukee and Mississippi Railroad | - | |
| Milwaukee and Western Railroad | MILW | 1861 | 1863 | Milwaukee and St. Paul Railway | - | |
| Mineral Point Railroad | MILW | 1852 | 1880 | Chicago, Milwaukee and St. Paul Railway | - | |
| Mineral Point and Northern Railway | MP&N | 1899 | 1930 | N/A | - | |
| Minneapolis, St. Paul and Ashland Railway | 1894 | - | ||||
| Minneapolis, St. Paul and Sault Ste. Marie Railroad | SOO | CP | 1944 | 1961 | Soo Line Railroad | - |
| Minneapolis, St. Paul and Sault Ste. Marie Railway | SOO | CP | 1888 | 1944 | Minneapolis, St. Paul and Sault Ste. Marie Railroad | - |
| Minneapolis, Sault Ste. Marie and Atlantic Railway | CP | 1883 | 1888 | Minneapolis, St. Paul and Sault Ste. Marie Railway | - | |
| Minnesota, St. Croix and Wisconsin Railroad | CP | 1884 | 1888 | Wisconsin Central Company | - | |
| Minnesota and Wisconsin Railroad | CNW | 1896 | 1902 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Minnesota and Wisconsin Railway | CNW | 1892 | 1896 | Minnesota and Wisconsin Railroad | - | |
| Miscauno and North-Western Railway | 1905 | 1905 | Wisconsin and Michigan Railway | - | ||
| Necedah and Camp Douglas Railroad | MILW | 1874 | 1878 | Chicago, Milwaukee and St. Paul Railway | - | |
| Neillsville and North Eastern Railway | CNW | 1881 | 1884 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Nicolet Badger Northern Railroad | NBNR | 1980 | 1994 | N/A | - | |
| North Wisconsin Railway | CNW | 1871 | 1880 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Northern Pacific Railroad | NP | 1864 | 1896 | Northern Pacific Railway | - | |
| Northern Pacific Railway | NP | NP | 1896 | 1970 | Burlington Northern Inc. | - |
| Northwestern Coal Railway | GN | 1892 | 1953 | Great Northern Railway | - | |
| Northwestern Union Railway | CNW | 1872 | 1881 | Chicago and Milwaukee Railway | - | |
| Oconto and South Western Railway | MILW | 1889 | 1890 | Milwaukee and Northern Railroad | - | |
| Oshkosh and Mississippi River Railroad | MILW | 1866 | 1893 | Chicago, Milwaukee and St. Paul Railway | - | |
| Oshkosh Transportation Company | CNW | 1867 | 1984 | Chicago and North Western Transportation Company | - | |
| Owen and Northern Railway | CP | 1904 | 1908 | Wisconsin Central Railway | - | |
| Packwaukee and Montello Railroad | CP | 1881 | 1899 | Wisconsin Central Railway | - | |
| Penokee Railroad | CP | 1886 | 1888 | Wisconsin Central Company | - | |
| Pine River Valley and Stevens Point Railroad | MILW | 1872 | 1880 | Chicago, Milwaukee and St. Paul Railway | - | |
| Platteville and Calamine Railroad | MILW | 1861 | 1867 | Dubuque, Platteville and Milwaukee Railroad | - | |
| Port Edwards, Centralia and Northern Railway | CP | 1890 | 1896 | Marshfield and Southeastern Railroad | - | |
| Portage, Stevens Point and Superior Railroad | CP | 1870 | 1870 | Portage, Winnebago and Superior Railroad | - | |
| Portage and Superior Railroad | CP | 1866 | 1869 | Portage, Winnebago and Superior Railroad | - | |
| Portage, Winnebago and Superior Railroad | CP | 1869 | 1871 | Wisconsin Central Railroad | - | |
| Prairie du Chien and McGregor Railway | MILW | 1872 | 1894 | Chicago, Milwaukee and St. Paul Railway | - | |
| Princeton and North Western Railway | CNW | 1900 | 1901 | Chicago and North Western Railway | - | |
| Princeton and Western Railway | CNW | 1883 | 1912 | Milwaukee, Sparta and North Western Railway | - | |
| Racine, Janesville and Mississippi Railroad | MILW | 1852 | 1855 | Racine and Mississippi Railroad | - | |
| Racine and Mississippi Railroad | MILW | 1855 | 1868 | Western Union Railroad | - | |
| Rice Lake, Dallas and Menomonie Railway | CP | 1893 | 1900 | Minneapolis, St. Paul and Sault Ste. Marie Railway | - | |
| Rice Lake and Northern Railway | CP | 1901 | 1902 | Minneapolis, St. Paul and Sault Ste. Marie Railway | - | |
| Ripon and Wolf River Railroad | MILW | 1856 | 1863 | Milwaukee and St. Paul Railway | - | |
| Robbins Railroad | 1898 | - | ||||
| Rock River Railway | CNW | 1880 | 1883 | Chicago and North Western Railway | - | |
| Rock River Valley Union Railroad | CNW | 1850 | 1855 | Chicago, St. Paul and Fond du Lac Railroad | - | |
| St. Cloud – Grantsburgh and Ashland Railway | NP | 1878 | 1899 | St. Paul and Duluth Railroad | - | |
| St. Croix and Chippewa Falls Railroad | CP | 1884 | 1884 | Minnesota, St. Croix and Wisconsin Railroad | - | |
| St. Croix and Duluth Railway | - | |||||
| St. Croix and Superior Railroad | MILW | 1853 | 1857 | La Crosse and Milwaukee Railroad | - | |
| St. Paul and Duluth Railroad | NP | 1884 | 1900 | Northern Pacific Railway | - | |
| St. Paul Eastern Grand Trunk Railway | CNW | 1879 | 1913 | Chicago and North Western Railway | - | |
| Sault Ste. Marie and Southwestern Railway | CNW | 1887 | 1893 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Sheboygan and Fond du Lac Railroad | CNW | 1861 | 1880 | Sheboygan and Western Railway | - | |
| Sheboygan and Mississippi Railroad | CNW | 1852 | 1861 | Sheboygan and Fond du Lac Railroad | - | |
| Sheboygan and Western Railway | CNW | 1880 | 1881 | Chicago, Milwaukee and North Western Railway | - | |
| Southern Wisconsin Railroad | MILW | 1852 | 1856 | Milwaukee and Mississippi Railroad | - | |
| Stanley, Merrill and Phillips Railway | 1893 | N/A | - | |||
| State Line and Union Railroad | CNW | 1871 | 1880 | Elgin and State Line Railroad | - | |
| Sugar River Valley Railroad | MILW | 1855 | 1880 | Chicago, Milwaukee and St. Paul Railway | - | |
| Superior, Balsam Lake and Southern Railway | CP | 1900 | 1901 | Minneapolis, St. Paul and Sault Ste. Marie Railway | - | |
| Superior Belt Line and Terminal Railway | GN | 1891 | 1900 | Duluth, Superior and Western Terminal Company, Eastern Railway of Minnesota | - | |
| Superior and St. Croix Railroad | NP | 1870 | 1896 | Northern Pacific Railway | - | |
| Superior Short Line Railway | CNW | 1884 | 1895 | Chicago, St. Paul, Minneapolis and Omaha Railway | - | |
| Superior and Southeastern Railway | 1903 | - | ||||
| Superior Terminal and Belt Line Railway | GN | 1890 | 1891 | Superior Belt Line and Terminal Railway | - | |
| Tomah and Lake St. Croix Railroad | CNW | 1863 | 1867 | West Wisconsin Railway | - | |
| Tomahawk and Eastern Railway | 1907 | 1919 | N/A | - | ||
| Tony and North Eastern Railway | 1902 | 1903 | Minneapolis, St. Paul and Sault Ste. Marie Railway | - | ||
| Viroqua Railway | MILW | 1878 | 1880 | Chicago, Milwaukee and St. Paul Railway | - | |
| Washburn, Bayfield and Iron River Railway | NP | 1895 | 1902 | Northern Pacific Railway | - | |
| Watertown and Madison Railroad | MILW | 1853 | 1858 | Milwaukee, Watertown and Baraboo Valley Railroad | - | |
| Waupaca – Green Bay Railway | GB&W | 1907 | 1921 | Green Bay and Western Railroad | - | |
| West Range Railroad | - | |||||
| West Wisconsin Railway | CNW | 1867 | 1878 | Chicago, St. Paul and Minneapolis Railway | - | |
| Western Union Railroad | MILW | 1863 | 1900 | Chicago, Milwaukee and St. Paul Railway | - | |
| Whitcomb and Morris Railway | 1896 | - | ||||
| Winnebago Railroad | MILW | 1853 | 1866 | Oshkosh and Mississippi River Railroad | - | |
| Winnebago and Superior Railroad | CP | 1866 | 1869 | Portage, Winnebago and Superior Railroad | - | |
| Winona, Alma and Northern Railway | CB&Q | 1883 | 1885 | Chicago, Burlington and Northern Railroad | - | |
| Winona Bridge Railway | CB&Q/ GB&W | 1890 | 1985 | N/A | - | |
| Wisconsin and Calumet Railroad | WICT | 1985 | 1997 | Wisconsin and Southern Railroad | - | |
| Wisconsin Central Company | CP | 1887 | 1899 | Wisconsin Central Railway | - | |
| Wisconsin Central Railroad | CP | 1954 | 1961 | Soo Line Railroad | - | |
| Wisconsin Central Railroad | CP | 1871 | 1899 | Wisconsin Central Railway | - | |
| Wisconsin Central Railway | CP | 1897 | 1954 | Wisconsin Central Railroad | - | |
| Wisconsin and Chippewa Railway | 1891 | 1898 | Marinette, Tomahawk and Western Railway | - | ||
| Wisconsin and Michigan Railroad | MILW | 1881 | 1887 | Milwaukee and Northern Railroad | - | |
| Wisconsin and Michigan Railroad | 1918 | 1938 | N/A | - | ||
| Wisconsin and Michigan Railway | WAND | 1992 | 1995 | N/A | - | |
| Wisconsin and Michigan Railway | 1893 | 1918 | Wisconsin and Michigan Railroad | - | ||
| Wisconsin Midland Railroad | MILW | 1887 | 1897 | Chicago, Milwaukee and St. Paul Railway | - | |
| Wisconsin and Minnesota Railroad | CP | 1879 | 1888 | Wisconsin Central Company | - | |
| Wisconsin and Northern Railroad | W&N | CP | 1906 | 1921 | Minneapolis, St. Paul and Sault Ste. Marie Railway | - |
| Wisconsin Northern Railway | CNW | 1896 | 1897 | Chicago and North Western Railway | - | |
| Wisconsin Northwestern Railway | - | |||||
| Wisconsin, Pittsville and Superior Railway | MILW | 1882 | 1891 | Chicago, Milwaukee and St. Paul Railway | - | |
| Wisconsin, Ruby and Southern Railway | - | |||||
| Wisconsin and Superior Railroad | CNW | 1856 | 1857 | Chicago, St. Paul and Fond du Lac Railroad | - | |
| Wisconsin Union Railroad | MILW | 1866 | 1872 | Milwaukee and St. Paul Railway | - | |
| Wisconsin Valley Railroad | MILW | 1871 | 1880 | Chicago, Milwaukee and St. Paul Railway | - | |
| Wisconsin Western Railroad | WIWR | 1982 | 1985 | Wisconsin and Calumet Railroad | - | |
| Wisconsin Western Railroad | MILW | 1899 | 1909 | Chicago, Milwaukee and St. Paul Railway | - | |
| Wolf River Valley Railway | CNW | 1906 | 1920 | Chicago and North Western Railway | - | |
| Wolf and Wisconsin Rivers Railroad | CNW | 1885 | 1889 | Milwaukee, Lake Shore and Western Railway | - | |
| Wood County Railroad | MILW | 1883 | 1891 | Chicago, Milwaukee and St. Paul Railway | - | |
| Woodville and Southern Railway | CNW | 1889 | 1892 | Minnesota and Wisconsin Railway | - |
Private freight carriers
- Holmes and Sons Logging Railroad
- Quinnesec Logging Company
Electric
- Appleton Electric Light and Power Company
- Ashland Light, Power and Street Railway Company
- Ashland Lighting and Street Railway Company
- Bay Shore Street Railway
- Belle City Electric Railway
- Belle City Street Railway
- Beloit Traction Company
- Chicago, Harvard and Geneva Lake Railway
- Chicago and Milwaukee Electric Railroad
- Chicago North Shore and Milwaukee Railroad
- Chippewa Valley Railway, Light and Power Company
- Chippewa Valley Electric Railroad
- Citizens' Traction Company of Oshkosh
- Eastern Wisconsin Railway and Light Company
- Eau Claire Street Railway, Light and Power Company
- Fond du Lac and Oshkosh Electric Railway
- Fond du Lac Street Railway and Light Company
- Fox River Electric Railway
- Fox River Electric Railway and Power Company
- Fox River Valley Electric Railway
- Grand Rapids Street Railroad
- Green Bay Traction Company
- Janesville Street Railway
- Kenosha Electric Railway
- La Crosse City Railway
- La Crosse and Onalaska Street Railway
- Madison City Railway
- Madison Electric Railway
- Madison and Interurban Traction Company
- Madison Traction Company
- Manitowoc and Northern Traction Company
- Marinette Gas, Electric Light and Street Railway Company
- Menasha and Neenah Street Railway
- Merrill Railway and Lighting Company
- Milwaukee City Railroad
- Milwaukee Light, Heat and Traction Company
- Milwaukee Northern Railway
- Milwaukee, Racine and Kenosha Electric Railway
- Milwaukee Street Railway
- Milwaukee and Wauwatosa Electric Company
- Milwaukee and Wauwatosa Motor Railway
- Milwaukee and Wauwatosa Rapid Transit Company
- Milwaukee Western Electric Railway
- Neenah and Menasha Railway
- North Greenfield and Waukesha Electric Railway
- Oshkosh Street Railroad
- Sheboygan Railway and Electric Company
- Sheboygan City Railway
- Sheboygan Light, Power and Railway Company
- Southern Wisconsin Railway
- Superior Rapid Transit Railway
- The Milwaukee Electric Railway and Light Company
- Waukesha Beach Electric Railway
- Waukesha Electric Railway
- Waupaca Electric Light and Railway Company
- Wausau Street Railroad
- West Side Railroad
- Winnebago Traction Company
- Wisconsin Railway, Light and Power Company
- Wisconsin Electric Railway
- Wisconsin Gas and Electric Company
- Wisconsin Public Service Company
- Wisconsin Rapid Transit Company
- Wisconsin Traction, Light, Heat and Power Company
Not completed
- Bayfield and St. Croix Railway