| Name | Mark | System [nb 1] | Miles | From | To | Successor | Notes |
|---|
| Anderson and Saline River Railway | | | | | | | |
| Antoine Valley Railroad | | | 6.00 | 1907 | 1910 | Memphis, Dallas and Gulf Railway | Railroad listing: [1] |
| Arkansas Railroad | | | | 1920 | 1959 | N/A | |
| Arkansas Central Railroad | AKC | MP | | 1897 | 1922 | Missouri Pacific Railroad | |
| Arkansas Central Railway | | MP | | 1871 | 1877 | Arkansas Midland Railroad | |
| Arkansas and Choctaw Railway | | SLSF | | 1895 | 1902 | St. Louis, San Francisco and New Orleans Railroad | |
| Arkansas Eastern Railroad | | | | 1907 | | N/A | |
| Arkansas and Gulf Railroad | | | | | | N/A | |
| Arkansas and Indian Territory Railway | | MP | | 1882 | 1883 | Arkansas and Louisiana Railway | |
| Arkansas and Louisiana Railway | | MP | | 1882 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Arkansas, Louisiana and Gulf Railroad | | | | 1914 | 1915 | 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 and Memphis Railway Bridge and Terminal Company | | MP/ RI/ SSW | | 1912 | | | Still exists as a nonoperating subsidiary of the Union Pacific Railroad |
| Arkansas Midland Railroad | | MP | | 1877 | 1917 | St. Louis, Iron Mountain and Southern Railway | |
| Arkansas Midland Railroad | | MP | | 1853 | 1871 | Arkansas Central Railway | |
| Arkansas North Western Railway | | SLSF | | 1894 | 1898 | Gulf, Arkansas and Northwestern Railway | |
| Arkansas and Oklahoma Railroad | | SLSF | | 1898 | 1901 | St. Louis and San Francisco Railroad | |
| Arkansas, Oklahoma and Western Railroad | | | | 1907 | 1911 | Kansas City and Memphis Railway | |
| Arkansas and Ozarks Railway | | | | 1950 | 1960 | N/A | |
| Arkansas Southern Railroad | | RI | | 1892 | 1905 | Rock Island, Arkansas and Louisiana Railroad: [2] | Incorporated August 29, 1892; consolidated with the Alexandria, Junction City & Shreveport Railway Company in March of 1899, continuing as the Arkansas Southern Railroad Company. Merged into the Rock Island, Arkansas & Louisiana Railroad on October 31, 1905. Leased to the Chicago Rock Island & Pacific Railway January 31, 1906. [3] |
| Arkansas and Southern Railway | | SSW | | 1887 | 1887 | St. Louis, Arkansas and Texas Railway | |
| Arkansas Southwestern Railway | | MP | | 1900 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Arkansas Western Railroad | | KCS | | 1899 | 1904 | Arkansas Western Railway | |
| Arkansas Western Railway | ARW | KCS | | 1904 | 1992 | Kansas City Southern Railway | |
| Ashley, Drew and Northern Railway | ADN | | | 1912 | 1995 | Fordyce and Princeton Railroad | |
| Augusta Railroad | AUG | | | 1918 | 1959 | N/A | |
| Augusta and Southeastern Railway | | RI | | 1888 | 1890 | White and Black River Valley Railway | |
| Augusta Tramway and Transfer Company | | | | 1892 | 1917 | Augusta Railroad | |
| Augusta and White River Railroad | | | | 1886 | 1892 | Augusta Tramway and Transfer Company | |
| Baring Cross Bridge Company | | MP | | 1873 | 1928 | Missouri Pacific Railroad | |
| Batesville and Brinkley Railroad | | RI | | 1881 | 1890 | White and Black River Valley Railway | |
| Bearden and Ouachita River Railroad | | | | 1904 | | N/A | |
| Beirne and Clear Lake Railroad | | | | 1909 | | N/A | |
| Bentonville Railroad | | SLSF | | 1882 | 1900 | Arkansas and Oklahoma Railroad | |
| Black and Cache River Railroad | | | | 1882 | 1902 | Cache Valley Railroad | |
| Black Mountain and Eastern Railroad | | | | 1915 | 1916 | Combs, Cass and Eastern Railroad | |
| Blytheville, Burdette and Mississippi River Railway | | | | 1906 | 1923 | N/A | |
| Blytheville, Leachville and Arkansas Southern Railroad | | SSW | | 1908 | 1929 | St. Louis Southwestern Railway | |
| Bonnerville and Southwestern Railroad | | SLSF | | 1905 | | Kansas City, Fort Scott and Memphis Railway | |
| Brinkley, Helena and Indian Bay Railway | | MP | | 1889 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Brookings and Peach Orchard Railroad | | | | 1908 | | N/A | |
| Burlington Northern Inc. | BN | | | 1980 | 1981 | Burlington Northern Railroad | |
| Burlington Northern Railroad | BN | | | 1981 | 1996 | Burlington Northern and Santa Fe Railway | |
| Butler County Railroad | BLC | SLSF | | 1905 | 1950 | St. Louis – San Francisco Railway | |
| Cache Valley Railroad | | | | 1902 | 1927 | N/A | |
| Caddo and Choctaw Railroad | | | | 1907 | 1924 | N/A | Between 1911 and 1913, owned by the Memphis, Dallas and Gulf Railroad |
| Cairo and Fulton Railroad | | MP | | 1853 | 1874 | St. Louis, Iron Mountain and Southern Railway | |
| Cairo, Truman and Southern Railroad | CT&S | | | 1912 | 1940 | N/A | |
| Camden and Alexandria Railway | | MP | | 1889 | 1892 | St. Louis, Iron Mountain and Southern Railway | |
| Central Railroad of Arkansas | | | | 1903 | 1906 | Central Railway of Arkansas | |
| Central Railway of Arkansas | COA | | | 1906 | 1932 | N/A | |
| Central Arkansas and Eastern Railroad | | SSW | | 1901 | 1937 | N/A | |
| Chicago, Rock Island and Pacific Railroad | RI, ROCK | RI | | 1947 | 1980 | Fordyce and Princeton Railroad, Little Rock and Western Railway, Missouri Pacific Railroad, St. Louis Southwestern Railway, South Central Arkansas Railway | |
| Chicago, Rock Island and Pacific Railway | RI | RI | | 1904 | 1948 | Chicago, Rock Island and Pacific Railroad | |
| Chickasawba Railroad | | SLSF | | 1902 | 1925 | Jonesboro, Lake City and Eastern Railroad | |
| Choctaw and Memphis Railroad | | RI | | 1898 | 1900 | Choctaw, Oklahoma and Gulf Railroad | |
| Choctaw, Oklahoma and Gulf Railroad | | RI | | 1900 | 1948 | Chicago, Rock Island and Pacific Railroad | |
| Coal Hill Branch of the Little Rock and Fort Smith Railway | | MP | | 1884 | 1885 | Little Rock and Fort Smith Railway | |
| Combs, Cass and Eastern Railroad | | | | 1916 | 1928 | N/A | |
| Cotton Belt and Northern Railway | | | | 1904 | | N/A | |
| Cotton Plant Railroad | | RI | | 1879 | 1882 | Batesville and Brinkley Railroad | |
| Cotton Plant-Fargo Railway | CPF | | | 1952 | 1977 | N/A | |
| Crittenden Railroad | | | | 1905 | 1922 | N/A | |
| Crossett Railway | | | | 1905 | 1912 | Ashley, Drew and Northern Railway | |
| Crossett, Monticello and Northern Railway | | | | 1912 | 1912 | Ashley, Drew and Northern Railway | |
| Dardanelle, Ola and Southern Railway | | RI | | 1906 | 1911 | Rock Island and Dardanelle Railway | |
| Dardanelle and Russellville Railway | | | | 1883 | 1900 | Dardanelle and Russellville Railroad | |
| Deckerville, Osceola and Northern Railroad | | SLSF | | 1897 | 1901 | Kansas City, Fort Scott and Memphis Railway | |
| Des Arc and Northern Railway | | RI | | 1897 | 1899 | Searcy and Des Arc Railroad | |
| Doniphan, Kensett and Searcy Railroad | | MP | | 1906 | 1909 | Doniphan, Kensett and Searcy Railway | |
| Eldorado and Bastrop Railway | | MP | | 1902 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Elliott and Mount Holly Railway | | | | | | | |
| Eureka Springs Railway | | | | 1883 | 1899 | St. Louis and North Arkansas Railroad | |
| Fayetteville and Little Rock Railroad | | SLSF | | 1886 | 1926 | St. Louis – San Francisco Railway | |
| Fort Smith, Paris and Dardanelle Railway | | | | 1887 | | | |
| Fort Smith and Southern Railway | | SLSF | | 1886 | 1887 | St. Louis and San Francisco Railway |
| Fort Smith, Subiaco and Eastern Railroad | | | | 1909 | 1919 | Fort Smith, Subiaco and Rock Island Railroad | |
| Fort Smith, Subiaco and Rock Island Railroad | | | | 1919 | 1962 | N/A | |
| Fort Smith Suburban Railway | | MP | | 1902 | 1956 | Missouri Pacific Railroad | |
| Fort Smith and Van Buren Railway | FSVB | KCS | | 1910 | 1992 | Kansas City Southern Railway | |
| Fort Smith and Van Buren Bridge Company | | SLSF | | 1885 | 1907 | St. Louis and San Francisco Railroad | |
| Fort Smith and Western Railroad | FS&W | | | 1899 | 1923 | Fort Smith and Western Railway | |
| Fort Smith and Western Railway | FS&W, FSW | | | 1921 | 1939 | N/A | |
| Fourche River Valley and Indian Territory Railway | | | | 1905 | | N/A | |
| Freeo Valley Railroad | | | | 1904 | 1925 | N/A | |
| Garland Western Railway | | MP | | 1903 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Gate City Lumber Railroad | | MP | | 1886 | 1888 | Texarkana and Shreveport Railroad | |
| Gould Southwestern Railway | | | | 1906 | 1920 | Arkansas Railroad | |
| Grand Prairie – Branch Railroad | | | | | | | |
| Graysonia, Nashville & Ashdown Railroad | GNA | KCS | | 1922 | 1998 | Kansas City Southern Railway | |
| Griffin, Magnolia and Western Railroad | | | | 1905 | | N/A | |
| Gulf, Arkansas and Northwestern Railway | | SLSF | | 1898 | 1901 | Kansas City, Fort Scott and Memphis Railway | |
| Gurdon and Fort Smith Railroad | | MP | | 1900 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Gurdon and Fort Smith Northern Railway | | MP | | 1905 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Hazen and Northern Railroad | | RI | | 1902 | 1904 | Chicago, Rock Island and Pacific Railway | |
| Helena, Parkin and Northern Railway | | | | 1908 | | N/A | |
| Helena and Northwestern Railway | | | | 1949 | 1951 | N/A | |
| Helena Southwestern Railroad | HSW | | | 1913 | 1987 | N/A | |
| Homan and Southeastern Railway | | | | 1906 | | N/A | |
| Homan and Southern Railway | | | | 1905 | 1906 | Homan and Southeastern Railway | |
| Hot Springs Railroad | | RI | | 1870 | 1902 | Choctaw, Oklahoma and Gulf Railroad | |
| Hot Springs, Glenwood and Western Railroad | | | | 1910 | 1911 | Memphis, Dallas and Gulf Railroad | |
| Houston, Central Arkansas and Northern Railway | | MP | | 1890 | 1893 | St. Louis, Iron Mountain and Southern Railway | |
| Hoxie, Pocahontas and Northern Railroad | | SLSF | | 1896 | 1901 | Southern Missouri and Arkansas Railroad | |
| Illinois Central Railroad | IC | IC | | 1946 | 1972 | Illinois Central Gulf Railroad | |
| Illinois Central Gulf Railroad | ICG | | | 1972 | 1973 | N/A | |
| Iron Mountain and Helena Railroad | | MP | | 1860 | 1882 | Kansas City and Southern Railway | |
| Jonesboro, Lake City and Eastern Railroad | | SLSF | | 1897 | 1950 | St. Louis – San Francisco Railway | |
| Kansas and Arkansas Valley Railway | | MP | | 1888 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Kansas City, Arkansas and New Orleans Railroad | | | | 1891 | | N/A | |
| Kansas City, Arkansas and New Orleans Railway | | | | | 1891 | Kansas City, Arkansas and New Orleans Railroad | |
| Kansas City, Fort Scott and Memphis Railroad | | SLSF | | 1888 | 1901 | Kansas City, Fort Scott and Memphis Railway | |
| Kansas City, Fort Scott and Memphis Railway | | SLSF | | 1901 | 1928 | St. Louis – San Francisco Railway | |
| Kansas City, Fort Scott and Springfield Railroad | | SLSF | | 1888 | 1888 | Kansas City, Fort Scott and Memphis Railroad | |
| Kansas City, Fort Smith and Southern Railroad | | KCS | | 1887 | 1893 | Kansas City, Pittsburg and Gulf Railroad | |
| Kansas City and Memphis Railway | | | | 1911 | 1918 | N/A | |
| Kansas City and Memphis Railway and Bridge Company | | SLSF | | 1887 | 1928 | St. Louis – San Francisco Railway | |
| Kansas City, Pittsburg and Gulf Railroad | | KCS | | 1893 | 1900 | Kansas City Southern Railway | |
| Kansas City and Southern Railway | | MP | | 1882 | 1882 | St. Louis, Iron Mountain and Southern Railway | |
| Kansas City, Springfield and Memphis Railroad | | SLSF | | 1883 | 1888 | Kansas City, Fort Scott and Memphis Railroad | |
| L'Anguille River Railway | | | | 1902 | 1932 | N/A | |
| Little River Valley Railway | | | | 1897 | | N/A | |
| Little Rock Bridge Company | | RI | | 1899 | 1899 | Choctaw and Memphis Railroad | |
| Little Rock and Eastern Railway | | SSW | | 1887 | 1887 | Arkansas and Southern Railway | |
| Little Rock and Fort Smith Railroad | | MP | | 1855 | 1875 | Little Rock and Fort Smith Railway | |
| Little Rock and Fort Smith Railway | | MP | | 1875 | 1906 | St. Louis, Iron Mountain and Southern Railway | |
| Little Rock and Fort Smith Branch of the Cairo and Fulton Railroad | | MP | | 1853 | 1855 | Little Rock and Fort Smith Railroad | |
| Little Rock and Helena Railroad | | MP | | 1869 | 1870 | Arkansas Central Railway | |
| Little Rock, Hot Springs and Texas Railway | | MP, RI | | 1893 | 1899 | Little Rock and Hot Springs Western Railroad | |
| Little Rock and Hot Springs Western Railroad | | MP, RI | | 1899 | 1911 | Rock Island, Arkansas and Louisiana Railroad, St. Louis, Iron Mountain and Southern Railway | |
| Little Rock Junction Railway | | MP | | 1883 | 1922 | Missouri Pacific Railroad | |
| Little Rock, Maumelle and Western Railroad | | | | 1907 | | N/A | |
| Little Rock and Memphis Railroad | | RI | | 1887 | 1898 | Choctaw and Memphis Railroad | |
| Little Rock, Mississippi River and Texas Railway | | MP | 172 | 1875 | 1887 | St. Louis, Iron Mountain and Southern Railway | |
| Little Rock and Monroe Railway | | MP | | 1903 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Little Rock, Pine Bluff and New Orleans Railroad | | MP | | 1868 | 1873 | Texas, Mississippi and Northwestern Railroad | |
| Little Rock, Pine Bluff and White River Railway | | SSW | | 1884 | 1886 | Pine Bluff, Monroe and New Orleans Railway | |
| Little Rock, Sheridan and Saline River Railway | | | | 1892 | | N/A | |
| Little Rock and Southern Railroad | | RI | | 1902 | 1905 | Rock Island, Arkansas and Louisiana Railroad | |
| Little Rock and Texas Railway | | SLSF | | 1887 | 1926 | St. Louis – San Francisco 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, Arkansas and Missouri Railroad | | | | 1887 | | N/A | |
| Louisiana and Pine Bluff Railway | LPB | | | 1905 | 1979 | N/A | |
| Louisville, New Orleans and Texas Railway of Arkansas | | IC | | 1889 | 1946 | Illinois Central Railroad | |
| Malvern and Camden Railway | | RI | | 1911 | 1913 | Rock Island, Arkansas and Louisiana Railroad | |
| Malvern and Freeo Valley Railway | | | | 1905 | | N/A | |
| Manila and Southwestern Railway | | SSW | | 1904 | 1930 | St. Louis Southwestern Railway | |
| McCrory and Beedeville Southern Railway | | | | 1911 | 1914 | N/A | |
| Memphis, Dallas and Gulf Railroad | | KCS | | 1910 | 1922 | Graysonia, Nashville & Ashdown Railroad, Murfreesboro, Nashville, Southwestern Railway | |
| Memphis, Helena and Louisiana Railway | | MP | | 1901 | 1903 | St. Louis, Iron Mountain and Southern Railway | |
| Memphis and Little Rock Railroad | | RI | | 1877 | 1887 | Little Rock and Memphis Railroad | |
| Memphis and Little Rock Railroad | | RI | | 1853 | 1873 | Memphis and Little Rock Railway | |
| Memphis and Little Rock Railway | | RI | | 1873 | 1877 | Memphis and Little Rock Railroad | |
| Memphis, Paris and Gulf Railroad | | KCS | | 1906 | 1910 | Memphis, Dallas and Gulf Railroad | |
| Meto and Arkansas Valley Railway | | | | 1910 | 1911 | Pine Bluff and Northern Railway | |
| Meto Valley Railway | | | | 1908 | 1910 | Meto and Arkansas Valley Railway | |
| Midland Valley Railroad | MV | MP | | 1903 | 1966 | N/A | |
| Mississippi, Arkansas and Western Railway | | | | 1902 | | N/A | |
| Mississippi and Little Rock Railway | | | | 1890 | | N/A | |
| Mississippi, Ouachita and Red River Railroad | | MP | | 1855 | 1873 | Texas, Mississippi and Northwestern Railroad | |
| Mississippi River, Hamburg and Western Railway | | MP | | 1897 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Mississippi River and Northwestern Railroad | | | | | | | |
| Missouri and Arkansas Railway | MAR, MA | | | 1935 | 1946 | Arkansas and Ozarks Railway, Helena and Northwestern Railway, Cotton Plant-Fargo Railway | |
| Missouri and Louisiana Railroad | | | | | | | |
| Missouri and North Arkansas Railroad | M&NA | | | 1906 | 1935 | Missouri and Arkansas Railway | |
| Missouri Pacific Railroad | MP | MP | | 1917 | 1997 | Union Pacific Railroad | |
| Montana Railroad (of Arkansas) | | | | 1915 | 1935 | N/A | |
| Monte Ne Railway | | | | 1902 | 1911 | Kansas City and Memphis Railway | |
| Murfreesboro and Nashville Railroad | | | | 1947 | 1952 | N/A | |
| Murfreesboro–Nashville Railway | | | | 1932 | 1947 | Murfreesboro and Nashville Railroad | |
| Murfreesboro, Nashville, Southwestern Railway | | | | 1925 | 1932 | Murfreesboro–Nashville Railway | |
| Noble Lake and Southern Railway | | | | | | | |
| North Arkansas and Western Railway | | SLSF | | 1899 | 1901 | Ozark and Cherokee Central Railway | |
| Ouachita Valley Railway | | | | 1904 | | N/A | |
| Ozark and Cherokee Central Railway | | SLSF | | 1901 | 1907 | St. Louis and San Francisco Railroad | |
| Paragould and Buffalo Island Railway | | SSW | | 1887 | 1893 | Paragould Southeastern Railway | |
| Paragould–Memphis Railroad | | | | | | N/A | |
| Paragould and Memphis Railway | | | | 1902 | | Paragould–Memphis Railroad | |
| Paragould Southeastern Railway | | SSW | | 1893 | 1958 | St. Louis Southwestern Railway | |
| Paris–Subiaco Traction Company | | | | 1908 | 1909 | Fort Smith, Subiaco and Eastern Railroad | |
| Perla Northern Railroad | | | | 1904 | | N/A | |
| Perla, Princeton and Southern Railroad | | | | 1889 | | N/A | |
| Pine Bluff Arkansas River Railway | | SSW | | 1898 | 1934 | N/A | |
| Pine Bluff and Eastern Railroad | | SSW | | 1892 | 1898 | Pine Bluff Arkansas River Railway | |
| Pine Bluff, Monroe and New Orleans Railway | | SSW | | 1884 | 1889 | Pine Bluff and Eastern Railroad | |
| Pine Bluff and Northern Railway | | | | 1910 | 1929 | N/A | |
| Pine Bluff, Sheridan and Southern Railway | | | | 1912 | | N/A | |
| Pine Bluff and Swan Lake Railway | | SSW | | 1884 | 1886 | Pine Bluff, Monroe and New Orleans Railway | |
| Pine Bluff and Western Railroad | | MP | | 1903 | 1909 | St. Louis, Iron Mountain and Southern Railway | |
| Pine Bluff and Western Railway | | MP | | 1899 | 1903 | Pine Bluff and Western Railroad | |
| Portland and Southeastern Railway | | | | 1905 | | N/A | |
| Prescott and Reader Railway | | | | 1910 | | N/A | |
| Reader Railroad | | | | 1925 | 1975 | N/A | Remains as a tourist railroad | |
| Rock Island, Arkansas and Louisiana Railroad | | RI | | 1905 | 1948 | Chicago, Rock Island and Pacific Railroad | |
| Rock Island and Dardanelle Railway | | RI | | 1911 | 1938 | N/A | |
| Rock Island, Stuttgart and Southern Railway | | RI | | 1913 | 1948 | Chicago, Rock Island and Pacific Railroad | |
| Rogers Southwestern Railway | | | | 1904 | 1907 | Arkansas, Oklahoma and Western Railroad | |
| Saginaw and Ouachita River Railroad | | | | 1905 | | N/A | |
| St. Louis, Arkansas and Texas Railway | | SSW | | 1887 | 1891 | St. Louis Southwestern Railway | |
| St. Louis, Arkansas and Texas Railway | | SLSF | | 1880 | 1882 | St. Louis and San Francisco Railway | |
| St. Louis, Caruthersville and Memphis Railroad | | SLSF | | 1897 | 1901 | St. Louis and Memphis Railway | |
| St. Louis, Iron Mountain and Southern Railway | | MP | | 1874 | 1917 | Missouri Pacific Railroad | |
| St. Louis, Kennett and Southeastern Railroad | | SLSF | | 1906 | 1950 | St. Louis – San Francisco Railway | |
| St. Louis and Memphis Railway | | SLSF | | 1901 | 1902 | St. Louis, Memphis and Southeastern Railroad | |
| St. Louis, Memphis and Southeastern Railroad | | SLSF | | 1902 | 1907 | St. Louis and San Francisco Railroad | |
| St. Louis and North Arkansas Railroad | | | | 1899 | 1906 | Missouri and North Arkansas Railroad | |
| St. Louis – San Francisco Railway | SLSF | SLSF | | 1916 | 1980 | Burlington Northern Inc. | |
| St. Louis and San Francisco Railroad | | SLSF | | 1896 | 1916 | St. Louis – San Francisco Railway | |
| St. Louis and San Francisco Railway | | SLSF | | 1882 | 1896 | St. Louis and San Francisco Railroad | |
| St. Louis, San Francisco and New Orleans Railroad | | SLSF | | 1902 | 1907 | St. Louis and San Francisco Railroad | |
| St. Louis Southwestern Railway | SSW | SSW | | 1891 | 1997 | Union Pacific Railroad | |
| Saline Bayou Railway | | | | 1905 | | N/A | |
| Saline River Railway | | | | 1897 | | N/A | |
| Searcy and Des Arc Railroad | | RI | | 1899 | 1904 | Chicago, Rock Island and Pacific Railway | |
| Searcy and West Point Railroad | | RI | | 1882 | 1899 | Searcy and Des Arc Railroad | |
| South Central Arkansas Railway | SCK | | | 1982 | 1983 | East Camden and Highland Railroad | |
| Southern Missouri and Arkansas Railroad | | SLSF | | 1900 | 1902 | St. Louis, Memphis and Southeastern Railroad | |
| Southwestern Arkansas and Indian Territory Railroad | | MP | | 1884 | 1900 | Arkansas Southwestern Railway | |
| Springfield and Memphis Railroad | | SLSF | | 1880 | 1883 | Kansas City, Springfield and Memphis Railroad | |
| Stuttgart and Arkansas River Railroad | | SSW | | 1881 | 1901 | St. Louis Southwestern Railway | |
| Stuttgart and Rice Belt Railroad | | RI | | 1910 | 1913 | Rock Island, Stuttgart and Southern Railway | |
| Stuttgart and Southern Railroad | | RI | | 1911 | 1913 | Rock Island, Stuttgart and Southern Railway | |
| Texarkana and Fort Smith Railway | | KCS | | 1889 | 1943 | Kansas City Southern Railway | |
| Texarkana and Shreveport Railroad | | MP | | 1888 | 1899 | Texarkana, Shreveport and Natchez Railway | |
| Texarkana, Shreveport and Natchez Railway | | MP | | 1899 | 1901 | Texas and Pacific Railway | |
| Texas, Mississippi and Northwestern Railroad | | MP | | 1873 | 1875 | Little Rock, Mississippi River and Texas Railway | |
| Texas & Northeastern Railway | | | | 1872 | | | Other than an optimistic 1872 map suggesting the merger of the Arkansas Central, Helena & Corinth, and the Pine Bluff & Southwestern to form this, [4] [5] no evidence such a combined railway got off the ground. The Arkansas Central later became part of the Arkansas Midland Railroad. No info at all re: the existence of the others. |
| Texas and Pacific Railway | T&P, TP | MP | | 1901 | 1976 | Missouri Pacific Railroad | |
| Texas and St. Louis Railway | | SSW | | 1881 | 1886 | St. Louis, Arkansas and Texas Railway | |
| Thornton and Alexandria Railway | | | | 1904 | | N/A | |
| Tyronza Central Railroad | | SLSF | | 1902 | | Kansas City, Fort Scott and Memphis Railway | |
| Ultima Thule, Arkadelphia and Mississippi Railway | | | | 1877 | 1910 | Memphis, Dallas and Gulf Railroad | |
| Waldo and Fort Smith Railroad | | | | 1893 | | N/A | |
| Warren, Johnsville and Saline River Railroad | | | | 1905 | 1920 | Warren and Saline River Railroad | |
| Warren and Ouachita Valley Railway | W&OV, WOV | RI | | 1899 | 1980 | Warren and Saline River Railroad | |
| Washington and Hope Railway | | MP | | 1877 | 1882 | Arkansas and Indian Territory Railway | |
| White and Black River Valley Railway | | RI | | 1890 | 1941 | Operated by the Chicago, Rock Island and Pacific Railway from 1904 | |
| White River Railway | | MP | | 1901 | 1903 | St. Louis, Iron Mountain and Southern Railway | |
| White River, Lonoke and Western Railway | | RI | | 1898 | 1901 | Choctaw, Oklahoma and Gulf Railroad | |
| Wilmar and Saline Valley Railroad | | | | 1904 | | N/A | |
| Wilson Northern Railway | | SLSF | | 1904 | 1912 | Jonesboro, Lake City and Eastern Railroad | |
| Wyandotte and Southeastern Railway | | | | | | | |
| Yazoo and Mississippi Valley Railroad | | IC | | 1889 | 1946 | Illinois Central Railroad | |