# List of Louisiana railroads

The following railroad companies operate in the U.S. state of Louisiana.

## Common freight carriers

* Acadiana Railway (AKDN)
* Arkansas, Louisiana and Mississippi Railroad (ALM)
* Baton Rouge Southern Railroad (BRS)
* Bogalusa Bayou Railroad (BBAY)
* BNSF Railway (BNSF)
* Canadian National Railway (CN) through subsidiary Illinois Central Railroad (IC)
* CG Railway (CGR)
* CSX Transportation (CSXT)
* Delta Southern Railroad (DSRR)
* Geaux Geaux Railroad (GOGR)
* Kansas City Southern Railway (KCS)
* Louisiana and Delta Railroad (LDRR)
* Louisiana and North West Railroad (LNW)
* Louisiana Southern Railroad (LAS)
* New Orleans and Gulf Coast Railway (NOGC)
* New Orleans Public Belt Railroad (NOPB)
* North Louisiana and Arkansas Railroad
* Norfolk Southern Railway (NS) through subsidiary Alabama Great Southern Railroad (AGS)
* Ouachita Railroad (OUCH)
* Port Rail (Lake Charles) (PRLC)
* Timber Rock Railroad (TIBR)
** Operates the Southern Gulf Railway
* Union Pacific Railroad (UP)
* Zee Railroad (ZEE)

## Private freight carriers

* East Camden and Highland Railroad
Laurel Valley & Rousseau Station Railroad (n.g. plantation railroad connecting Barker & Lepine properties along Bayou LaForche to one another[mainly cane fields to sugar mill] and to S.P. trunk line).

## Passenger carriers

Louisiana passenger rail :
Legend :
This diagram: viewtalkedit :
* Amtrak (AMTK)
* New Orleans Regional Transit Authority

## Defunct railroads

| Name | Mark | System | Miles | From | To | Successor | Notes |
| Alexandria and Western Railway | A&W | | 18.50 | 1909 | 1925 | | |
| Alexandria, Junction City and Shreveport Railroad | AJC&S | RI | | June 29, 1897 | 1899 | Arkansas Southern Railroad | |
| Alexandria and St. Louis Railway | | MP | | 1892 | 1893 | Houston, Central Arkansas and Northern Railway |
| Alexandria, Woodworth and Beaumont Railway | | | | | | | |
| Anacoco Valley Railway | | | | | | | |
| Angola Transfer Company | | KCS | | 1906 | 1929 | Louisiana Railway and Navigation Company | |
| Arkansas and Gulf Railroad | | | | | | | |
| Arkansas, Louisiana and Gulf Railroad | | | | 1914 | 1915 | N/A | Leased the Arkansas, Louisiana and Gulf Railway |
| Arkansas, Louisiana and Gulf Railway | AL&G | | | 1906 | 1915 | Arkansas and Louisiana Midland Railway | |
| Arkansas and Louisiana Midland Railway | A&LM | | | 1915 | 1920 | Arkansas and Louisiana Missouri Railway | |
| Arkansas and Louisiana Missouri Railway | A&LM, ALM | | | 1920 | 1991 | Arkansas, Louisiana and Mississippi Railroad | |
| Arkansas, Louisiana and Southern Railway | | KCS | | 1897 | 1900 | Louisiana and Arkansas Railroad | |
| Arkansas Southeastern Railway | | | | | | | |
| Arkansas Southern Railroad | ASRR | RI | | 1892 | 1905 | Rock Island, Arkansas and Louisiana Railroad | The Arkansas Southern Railroad (formed August 29, 1892) consolidated with the Alexandria, Junction City & Shreveport Railway Company in March 1899, continuing as the Arkansas Southern Railroad Company. Consolidated with the Arkansas Southern Extension Railway, and the Little Rock Southern Railway Company into the Rock Island, Arkansas and Louisiana Railroad on October 31, 1905. |
| Arkansas and Southern Railway | | SSW | | 1887 | 1887 | St. Louis, Arkansas and Texas Railway | |
| Arkansas Southern Extension Railway | | RI | | 1903 | 1905 | Rock Island, Arkansas and Louisiana Railroad | Formed November 28, 1903 |
| Atchison, Topeka and Santa Fe Railway | ATSF | | | 1965 | 1996 | Burlington Northern and Santa Fe Railway | |
| Avoyelles Railroad | | MP | | 1898 | 1900 | Texas and Pacific Railway | |
| Bastrop and Lake Providence Railway | | | 4.00 | | | | |
| Baton Rouge Grosse Tete and Opelousas Railroad | | | | 1853 | 1883 | | |
| Baton Rouge, Hammond and Eastern Railroad | | IC | | 1900 | 1946 | Illinois Central Railroad | |
| Bernice and Northwestern Railway | | | | 1908 | | N/A | |
| Black Bayou Railroad | | | | 1904 | | N/A | |
| Bodcaw Valley Railway | | | 24.00 | 1904 | | N/A | |
| Boston and Little River Railway | | | | | | | |
| Brimstone Railroad and Canal Company | | | 7.72 | 1905 | 1931 | N/A | |
| Calcasieu, Vernon and Shreveport Railroad | | KCS | 16.50 miles | 1880 | 1897 | Kansas City, Shreveport and Gulf Railway | Reference note: |
| Central Louisiana and Gulf Railroad | CLGR | | | 1981 | 1987 | MidLouisiana Rail Corporation | |
| Chicago, Rock Island and Pacific Railroad | RI, ROCK | RI | 183.43 | 1947 | 1980 | Central Louisiana and Gulf Railway, South Central Arkansas Railway | Liquidated in January 1980, parts taken over by the Union Pacific railroad between Brinkley and West Memphis and also by the Little Rock and Western railroad between Little Rock and Danville. |
| Chicago, Rock Island and Pacific Railway | RI | RI | | 1906 | 1948 | Chicago, Rock Island and Pacific Railroad | |
| Chicago, St. Louis and New Orleans Railroad | | IC | | 1878 | 1951 | Illinois Central Railroad | |
| Christie and Eastern Railway | | | 10.50 | 1917 | 1934 | N/A | From the ghost town of Sandel on the Kansas City Southern Railroad line approximately twelve miles to the mill site at Peason. A line was extended east to connect with the Red River and Gulf Railroad at Kurthwood, with connections to Lecompte. |
| Cinclare Central Factory Railroad | | | | | | | |
| Clinton and Port Hudson Railroad | | IC | | 1833 | 1889 | Louisville, New Orleans and Texas Railway | |
| Colfax and Northern Railway | | | | 1901 | 1903 | Louisiana Railway and Navigation Company | Chartered on July 10, 1901 from Aloha to Winnfield. Abandoned prior to the Louisiana and Arkansas Railway merger. |
| Colorado Southern, New Orleans and Pacific Railroad | | MP | | 1905 | 1910 | New Orleans, Texas and Mexico Railroad | |
| Commercial Transit Company | | IC | | 1877 | 1878 | New Orleans Belt Railroad | |
| Delhi, Baskin and Southwestern Railway | | | | | | | |
| Donaldsonville and Napoleonville Railway | | MP | | 1902 | 1903 | Texas and Pacific Railway | |
| Dorcheat Valley Railroad | | | | 1906 | | N/A | |
| East Camden and Highland Railroad | EACH | | | 1983 | 1990 | Ouachita Railroad | |
| East Louisiana Railroad | | GM&O | | 1887 | 1905 | New Orleans Great Northern Railroad | |
| Englewood, Alexandria and Southwestern Railroad | | | | | | | |
| Enterprise Railway | | | | 1903 | | N/A | |
| Farmerville and Southern Railroad | | MP | | 1903 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Fernwood & Gulf Railroad | | | 44 | March 31, 1906 | 1972 | Illinois Central Gulf | Fernwood & Gulf Railroad became Fernwood, Columbia & Gulf Railroad April 17, 1920, with 44 miles (71 km) of track. See: Fernwood Lumber Company The FC&G purchased the unique Brill Model 30 rail bus Car(M-1) in 1930. M-3 had a Ford V-8. Car No.6 was a Jim Crow car. |
| Franklin and Abbeville Railroad | | SP | | | 1903 | Franklin and Abbeville Railway | |
| Franklin and Abbeville Railway | | SP | | 1903 | 1934 | Texas and New Orleans Railroad | |
| Garyville Northern Railroad | | | | 1915 | 1932 | N/A | |
| Glenmora and Western Railway | G&W | | | | | | |
| Gulf, Colorado and Santa Fe Railway | | ATSF | | 1906 | 1965 | Atchison, Topeka and Santa Fe Railway | |
| Gulf, Mobile and Northern Railroad | GM&N | GM&O | | 1933 | 1940 | Gulf, Mobile and Ohio Railroad | |
| Gulf, Mobile and Ohio Railroad | GM&O | GM&O | | 1940 | 1972 | Illinois Central Gulf Railroad | |
| Gulf, Sabine and Red River Railroad | | | | | | | |
| Gulf and Sabine River Railroad | | | | 1906 | 1927 | N/A | |
| Harrisonburg, Mississippi & Tensas River Railway & Navigation Company of Louisiana | | | | 1911 | 1912 | N/A | Possibly failed to operate any trains. |
| Helena Southwestern Railroad | | | | | | | |
| Houston, Central Arkansas and Northern Railroad | | MP | | 1887 | 1893 | Alexandria and St. Louis Railway | |
| Houston, Central Arkansas and Northern Railway | | MP | | 1893 | 1893 | St. Louis, Iron Mountain and Southern Railway | |
| Houston and Shreveport Railroad | HEWT | SP | | 1891 | 1934 | Texas and New Orleans Railroad | |
| Iberia, St. Mary and Eastern Railroad | | MP | | 1909 | 1956 | Missouri Pacific Railroad | |
| Iberia and Vermilion Railroad | I&V | SP | | 1891 | 1934 | Texas and New Orleans Railroad | |
| Illinois Central Railroad | IC | IC | | 1883 | 1972 | Illinois Central Gulf Railroad | |
| Illinois Central Gulf Railroad | ICG | | | 1972 | 1988 | Illinois Central Railroad | |
| Jackson Railroad | | | | | | | |
| Jasper and Eastern Railway | | ATSF | | 1904 | 1948 | Gulf, Colorado and Santa Fe Railway | |
| Jefferson and Lake Pontchartrain Railroad | | | | 1853 | 1864 | | |
| Kansas City, Pittsburg and Gulf Railroad | | KCS | | 1895 | 1900 | Kansas City Southern Railway | |
| Kansas City, Shreveport and Gulf Railway | | KCS | | 1894 | 1935 | Kansas City Southern Railway | |
| Kansas City, Shreveport and Gulf Terminal Company | | KCS | | 1897 | | N/A | |
| Kansas City, Watkins and Gulf Railway | | MP | | 1887 | 1902 | St. Louis, Watkins and Gulf Railway | |
| Kentwood and Eastern Railroad | | | | | 1922 | N/A | |
| Kentwood and Eastern Railway | K&E | | | 1906 | 1922 | N/A | |
| Kentwood, Greensburg and South Western Railroad | | | | 1905 | 1921 | N/A | |
| Kinder and Northwestern Railroad | | | | | | |
| Kingston Railroad | | | | | | | |
| Lake Charles Railway and Navigation Company | | | | 1908 | | N/A | |
| Lake Charles and Leesville Railway | | | | | | | |
| Lake Charles and Northern Railroad | LC&N | SP | | 1906 | 1934 | Texas and New Orleans Railroad | |
| Lake Providence, Texarkana and Western Railroad | | | | 1911 | 1930 | N/A | |
| Leesville East and West Railroad | | | | | | | |
| Leesville, Slagle and Eastern Railway | | | | | | | |
| Little Rock and Monroe Railway | | MP | | 1903 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Little Rock Southern Railway Company | | | | 1903 | | | November 28, 1903 |
| Loranger, Louisiana and Northeastern Railroad | | | | 1916 | 1926 | N/A | |
| Loring and Western Railway | | | | | | | |
| Louisiana Railway | | | | | | N/A | |
| Louisiana Railway and Navigation Company | | KCS | | 1903 | 1934 | Louisiana and Arkansas Railway | |
| Louisiana and Arkansas Railroad | | KCS | | 1898 | 1902 | Louisiana and Arkansas Railway | |
| Louisiana and Arkansas Railway | L&A, LA | KCS | | 1902 | 1992 | Kansas City Southern Railway | |
| Louisiana Central Railroad | | | | 1904 | | N/A | |
| Louisiana Central Railroad of Louisiana | | MP | | 1868 | 1870 | New Orleans, Baton Rouge and Vicksburg Railroad | |
| Louisiana Central Stem Railway | | MP | | 1856 | 1868 | Louisiana Central Railroad of Louisiana | |
| Louisiana East and West Railway | | MP | | 1904 | 1907 | Texas and Pacific Railway | |
| Louisiana Midland Railway | LOAM | | | 1974 | 1981 | N/A | |
| Louisiana Midland Railway | | IC | | 1945 | 1967 | Illinois Central Railroad | |
| Louisiana Nickel Plate Railway | | | | | 1908 | N/A | |
| Louisiana North and South Railroad | | | | 1885 | 1890 | Louisiana and North West Railroad | |
| Louisiana and Pacific Railway | | | | 1904 | 1926 | N/A | |
| Louisiana Southern Railway | LSO | SOU | | 1897 | 1993 | Alabama Great Southern Railroad | |
| Louisiana Western Railroad | LW | SP | | 1878 | 1934 | Texas and New Orleans Railroad | |
| Louisville and Nashville Railroad | L&N, LN | L&N | | 1880 | 1983 | Seaboard System Railroad | |
| Louisville, New Orleans and Texas Railway | | IC | | 1884 | 1892 | Yazoo and Mississippi Valley Railroad | |
| Mandeville and Sulphur Springs Railroad | | SOU | | 1868 | 1870 | New Orleans and Northeastern Railroad | |
| Mangham and Northeastern Railway | | | | 1905 | | N/A | |
| Mansfield Railway and Transportation Company | | | | 1881 | 1959 | N/A | |
| Memphis, Helena and Louisiana Railroad | | MP | | 1902 | 1903 | St. Louis, Iron Mountain and Southern Railway | |
| Mexican Gulf Railway | | SOU | | 1837 | 1867 | Southeastern Railroad | |
| MidLouisiana Rail Corporation | MDR | | | 1987 | 1993 | Kansas City Southern Railway | |
| MidSouth Rail Corporation | MSRC | | | 1986 | 1993 | Kansas City Southern Railway | |
| Mill Creek and Little River Railway and Navigation Company | | | | 1905 | | N/A | |
| Minden Railroad and Compress Company | | KCS | | 1882 | 1898 | Arkansas, Louisiana and Southern Railway | |
| Minden East and West Railway | | KCS | | 1906 | 1909 | Louisiana and Arkansas Railway | |
| Mississippi and La Fourche Railway | | MP | | 1896 | 1900 | Texas and Pacific Railway | |
| Mississippi, Terre-aux-Boeuf and Lake Railroad | | SOU | | 1877 | 1886 | New Orleans and Gulf Railroad | |
| Missouri, Kansas and Texas Railway of Texas | MKTT | MKT | | 1901 | 1923 | Louisiana Railway and Navigation Company | |
| Missouri and Louisiana Railroad | | | | 1902 | 1914 | Neame, Carson and Southern Railroad | |
| Missouri Pacific Railroad | MP | MP | | 1917 | 1997 | Union Pacific Railroad | |
| Monroe and Southwestern Railway | | | | 1904 | | N/A | |
| Monroe and Texas Railroad | | | | | | | |
| Morgan's Louisiana and Texas Railroad | | SP | | 1869 | 1878 | Morgan's Louisiana and Texas Railroad and Steamship Company | |
| Morgan's Louisiana and Texas Railroad and Steamship Company | ML&T | SP | | 1877 | 1934 | Texas and New Orleans Railroad | |
| Natchez, Ball and Shreveport Railway | | | | | | N/A | |
| Natchez, Red River and Texas Railroad | | MP | | 1881 | 1897 | Natchez and Western Railway | |
| Natchez, Urania and Ruston Railway | | | | 1899 | 1970 | N/A | |
| Natchez and Western Railway | | MP | | 1904 | 1905 | St. Louis, Iron Mountain and Southern Railway | |
| Natchitoches Railroad | | MP | | 1887 | 1893 | Natchitoches and Red River Valley Railroad | |
| Natchitoches Land and Railway Company | | MP | | 1885 | 1887 | Natchitoches Railroad | |
| Natchitoches and Red River Valley Railroad | | MP | | 1893 | 1894 | Natchitoches and Red River Valley Railway | |
| Natchitoches and Red River Valley Railway | | MP | | 1894 | 1901 | Texas and Pacific Railway | |
| Neame, Carson and Southern Railroad | NC&S | | | 1914 | 1929 | N/A | |
| New Iberia and Northern Railroad | NI&N | MP | | 1909 | 1956 | Missouri Pacific Railroad | |
| New Iberia, St. Martin and Northern Railroad | | MP | | 1907 | 1909 | New Iberia and Northern Railroad | |
| New Orleans, Baton Rouge and Vicksburg Railroad | | MP | | 1869 | 1881 | New Orleans Pacific Railway | |
| New Orleans Belt Railroad | | IC | | 1878 | 1886 | Chicago, St. Louis and New Orleans Railroad | |
| New Orleans Belt and Terminal Company | | SOU | | 1901 | 1903 | New Orleans Terminal Company | |
| New Orleans, Fort Jackson and Grand Isle Railroad | | MP | | 1888 | 1911 | New Orleans Southern and Grand Isle Railway | |
| New Orleans Great Northern Railroad | NOGN | GM&O | | 1905 | 1933 | New Orleans Great Northern Railway | |
| New Orleans Great Northern Railway | | GM&O | | 1933 | 1983 | Illinois Central Gulf Railroad | |
| New Orleans and Gulf Railroad | | SOU | | 1886 | 1891 | New Orleans and Southern Railroad | |
| New Orleans, Jackson and Great Northern Railroad | | IC | | 1853 | 1874 | New Orleans, St. Louis and Chicago Railroad | |
| New Orleans, Jackson and Northern Railroad | | IC | | 1877 | 1878 | Chicago, St. Louis and New Orleans Railroad | |
| New Orleans Lower Coast Railroad | NOLR | | | 1991 | 1999 | New Orleans and Gulf Coast Railway | |
| New Orleans and Lower Coast Railroad | NLC | MP | | 1916 | 1978 | Missouri Pacific Railroad | |
| New Orleans and Mississippi Valley Railroad | | IC | | 1881 | 1884 | Louisville, New Orleans and Texas Railway | |
| New Orleans, Mobile and Chattanooga Railroad | | L&N, MP, SP | | 1868 | 1871 | New Orleans, Mobile and Texas Railroad | |
| New Orleans, Mobile and Chicago Railroad | | GM&O | | 1912 | 1913 | N/A | |
| New Orleans, Mobile and Texas Railroad | | L&N, MP, SP | | 1871 | 1881 | Louisiana Western Railroad, Louisville and Nashville Railroad, Morgan's Louisiana and Texas Railroad and Steamship Company | |
| New Orleans, Natalbany and Natchez Railway | | | | 1902 | 1938 | N/A | |
| New Orleans, Natchez and Fort Scott Railway | | MP | | 1886 | 1890 | New Orleans and Northwestern Railway | |
| New Orleans and Northeastern Railroad | N&NE | SOU | | 1870 | 1969 | Alabama Great Southern Railroad | |
| New Orleans and Northwestern Railroad | | MP | | 1902 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| New Orleans and Northwestern Railway | | MP | | 1890 | 1902 | New Orleans and Northwestern Railroad | |
| New Orleans, Opelousas and Great Western Railroad | | SP | | 1852 | 1869 | Morgan's Louisiana and Texas Railroad | |
| New Orleans Pacific Railway | | MP | | 1876 | 1881 | Texas and Pacific Railway | |
| New Orleans, St. Louis and Chicago Railroad | | IC | | 1874 | 1877 | New Orleans, Jackson and Northern Railroad | |
| New Orleans and San Francisco Railroad | | SOU | | 1902 | 1903 | New Orleans Terminal Company | |
| New Orleans and Southern Railroad | | SOU | | 1891 | 1897 | Louisiana Southern Railway | |
| New Orleans Southern Railway | | MP | | 1908 | 1911 | New Orleans Southern and Grand Isle Railway | |
| New Orleans Southern and Grand Isle Railway | | MP | | 1911 | 1916 | New Orleans and Lower Coast Railroad | |
| New Orleans, Spanish Fort and Lake Railroad | | | | | | | |
| New Orleans Terminal Company | NOT | SOU | | 1903 | 1993 | Alabama Great Southern Railroad | |
| New Orleans, Texas and Mexico Railroad | | MP | | 1910 | 1916 | New Orleans, Texas and Mexico Railway | |
| New Orleans, Texas and Mexico Railway | | MP | | 1916 | 1956 | Missouri Pacific Railroad | |
| New Orleans and Western Railroad | | SOU | | 1895 | 1901 | New Orleans Belt and Terminal Company | |
| North Louisiana and Gulf Railroad | NL&G, NLG | | | 1906 | 1987 | MidLouisiana Rail Corporation | Subsidiary of the Huie-Hodge Lumber Company. Acquired smaller lines like Louisiana & North West in the 1940s. Acquired by Kansas City Southern but name still survives as a leased asset. |
| North Louisiana and Texas Railroad | | IC | | 1868 | 1875 | Vicksburg, Shreveport and Texas Railroad | |
| Oakdale and Gulf Railway | O&G | | 11.6 | February 7, 1916 | November 17, 1927 | N/A | Leased tracks from Forest Lumber Company and the Bowman-Hicks Lumber Company. The capital stock was owned by the two companies. Oakdale to Oakdale Junction, Godwin, Boone, Caney, and Wards. Connections at Oakdale: Missouri Pacific Railroad and Gulf Colorado and Santa Fe Railway, at Wards: Missouri Pacific RR. |
| Oberlin, Hampton and Eastern Railway | | | | | | | |
| Old River and Kissatchie Railway | | | | | | | |
| Opelousas, Gulf and Northeastern Railway | | MP | | 1904 | 1915 | Texas and Pacific Railway | |
| Ouachita and Northwestern Railroad | | | | 1905 | 1947 | N/A | |
| Pontchartrain Railroad | | L&N | | 1830 | 1935 | N/A | |
| Red River Railroad | | MP | | 1835 | 1878 | New Orleans Pacific Railway | |
| Red River and Gulf Railroad | | | | 1905 | 1954 | N/A | |
| Red River and Rocky Mount Railway | | | | 1904 | | N/A | |
| Robeline and Sabine Pass Railway | | | | | | | |
| Rochelle and Western Railway | | | | | | | |
| Rock Island, Arkansas and Louisiana Railroad | | RI | | 1905 | 1948 | Chicago, Rock Island and Pacific Railroad | |
| Roosevelt and Western Railroad | | | | 1909 | | N/A | |
| Sabine and Northern Railway | | | | | | | |
| St. Bernard Railroad | | SOU | | 1834 | | Mexican Gulf Railway | |
| St. Louis, Arkansas and Texas Railway | | SSW | | 1887 | 1891 | St. Louis Southwestern Railway | |
| St. Louis, Avoyelles and Southwestern Railroad | | MP | | 1894 | 1895 | St. Louis, Avoyelles and Southwestern Railway | |
| St. Louis, Avoyelles and Southwestern Railway | | MP | | 1895 | 1899 | Avoyelles Railroad | |
| St. Louis, Iron Mountain and Southern Railway | | MP | | 1891 | 1917 | Missouri Pacific Railroad | |
| St. Louis and San Francisco Railroad | | SLSF | | 1905 | 1913 | N/A | |
| St. Louis Southwestern Railway | SSW | SSW | | 1891 | 1997 | Union Pacific Railroad | |
| St. Louis, Watkins and Gulf Railway | | MP | | 1902 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Seaboard System Railroad | SBD | | | 1983 | 1986 | CSX Transportation | |
| Sherman, Shreveport and Southern Railway | | MKT | | 1900 | 1901 | Missouri, Kansas and Texas Railway of Texas | |
| Shreveport, Alexandria and Southwestern Railway | | | | | | | |
| Shreveport and Arkansas Railway | | SSW | | 1887 | 1887 | Arkansas and Southern Railway | |
| Shreveport and Houston Railway | | SP | | 1883 | 1890 | Houston and Shreveport Railroad | |
| Shreveport and Red River Valley Railway | | KCS | | 1897 | 1903 | Louisiana Railway and Navigation Company | |
| Sibley, Lake Bisteneau and Southern Railway | | | | 1900 | 1942 | N/A | |
| South Central Arkansas Railway | SCK | | | 1982 | 1983 | East Camden and Highland Railroad | |
| Southeastern Railroad | | SOU | | 1855 | 1882 | Mississippi, Terre-aux-Boeuf and Lake Railroad | |
| Southern Railway and Navigation Company | | | | | | | |
| Southern Pacific Company | SP | SP | | 1961 | 1969 | Southern Pacific Transportation Company | |
| Southern Pacific Company | | SP | | 1885 | 1901 | N/A | |
| Southern Pacific Railroad | | MP | | 1862 | 1872 | Texas Pacific Railroad | |
| Southern Pacific Transportation Company | SP | SP | | 1969 | 1998 | Union Pacific Railroad | |
| Teche Railroad and Sugar Company | | | | | | | |
| Texarkana, Shreveport and Natchez Railway | | MP | | 1895 | 1901 | Texas and Pacific Railway | |
| Texas and New Orleans Railroad | T&NO, TNO | SP | | 1927 | 1961 | Southern Pacific Company | |
| Texas Pacific Railroad | | MP | | 1872 | 1872 | Texas and Pacific Railway | |
| Texas and Pacific Railway | T&P, TP | MP | | 1872 | 1976 | Missouri Pacific Railroad | |
| Texas Pacific – Missouri Pacific Terminal Railroad of New Orleans | TPMP | MP | | 1924 | 1978 | Missouri Pacific Railroad | |
| Tioga and Southeastern Railway | | | | 1905 | | N/A | |
| Trans-Mississippi Terminal Company | | MP | | 1912 | 1914 | Trans-Mississippi Terminal Railroad | |
| Trans-Mississippi Terminal Railroad | | MP | | 1914 | 1924 | Texas Pacific – Missouri Pacific Terminal Railroad of New Orleans | |
| Tremont and Gulf Railroad | | IC | | 1902 | 1908 | Tremont and Gulf Railway | |
| Tremont and Gulf Railway | T&G | IC | | 1907 | 1959 | Illinois Central Railroad | |
| Vicksburg, Shreveport and Pacific Railroad | | IC | | 1879 | 1901 | Vicksburg, Shreveport and Pacific Railway | |
| Vicksburg, Shreveport and Pacific Railway | VS&P | IC | | 1901 | 1959 | Illinois Central Railroad | |
| Vicksburg, Shreveport and Texas Railroad | | IC | | 1852 | 1879 | Vicksburg, Shreveport and Pacific Railroad | |
| Victoria, Fisher and Western Railroad | | | | 1902 | | N/A | |
| Vidalia and Lake Concordia Railroad and Steamboat Transportation Company | | MP | | 1876 | 1881 | Vidalia and Western Railroad | |
| Vidalia and Western Railroad | | MP | | 1881 | 1881 | Natchez, Red River and Texas Railroad | |
| West Feliciana Railroad | | IC | | 1831 | 1888 | Louisville, New Orleans and Texas Railway | |
| West Feliciana Railway | | | | 1944 | 1948 | N/A | |
| White Castle and Lake Natchez Railway | | | | | | | |
| Woodworth and Louisiana Central Railway | | | | 1900 | 1926 | N/A | |
| Yazoo and Mississippi Valley Railroad | | IC | | 1892 | 1946 | Illinois Central Railroad | |
| Zachary and Northeastern Railroad | | | | | | | |
| Zimmerman, Leesville and Southwestern Railway | | | | | | | |
| Zwolle and Eastern Railway | | | | 1904 | 1922 | N/A | |
Special notes:
** Mileage not noted separately is retrieved from the Railroad Commission of Louisiana; Louisiana Railroad Mileage, 1920
** Other railroads and companies.
* New Orleans and Carrollton Railroad