- Alabama: Tuscumbia Railway
- Alaska: White Pass and Yukon Route (1899)?
- Arizona: Southern Pacific Railroad (1877) [1]
- Or maybe Coronado Railroad (1878?)
- Arkansas: Mississippi, Ouachita and Red River Railroad, 6 mi from Eunice33°32′N 91°14′W / 33.54°N 91.23°W (1853) [2]
- California: Sacramento Valley Railroad
- Colorado: Denver Pacific Railway, Cheyenne to Denver (completed 1870) [3]
- Connecticut:
- Delaware: New Castle and Frenchtown Railroad (1831) [4]
- District of Columbia:
- Florida: Tallahassee Railroad
- Georgia:
- Hawaii: Oahu Railway and Land Company (1889)?
- Idaho: Utah Northern Railroad
- Illinois:
- Indiana: Lawrenceburgh and Indianapolis Railroad (1834) [5]
- Iowa:
- Kansas: Elwood and Marysville Railroad (1860) [6]
- Kentucky: Lexington and Ohio Railroad (1833) [7]
- Louisiana: Pontchartrain Railroad (1831) [8]
- Maine: Bangor and Piscataquis Canal and Railroad Company (1836) [9]
- Maryland: Baltimore and Ohio Railroad (1830) [10]
- Massachusetts: Granite Railway (1826) [11]
- First common carrier: Boston and Worcester Railroad (1832) [12]
- Michigan: Erie and Kalamazoo Railroad (1836) [13]
- Minnesota: St. Paul and Pacific Railroad (1862) [14]
- Mississippi:
- Missouri: Independence and Missouri River Railroad, Independence to Missouri River (1849; closed soon after) [15]
- Montana: Utah and Northern Railway (1880) [16]
- Nebraska: Union Pacific Railroad?
- Nevada:
- New Hampshire: Nashua and Lowell Railroad (1838) [17]
- New Jersey: Camden and Amboy Railroad (1832) [18]
- New Mexico: New Mexico and Southern Pacific Railroad at Raton Pass (1879) [19]
- New York: Mohawk and Hudson Railroad (1831) [20]
- North Carolina: Wilmington and Weldon Railroad (1836) [21]
- North Dakota: Northern Pacific Railroad at Fargo (1872) [22]
- Ohio: Cleveland and Newburgh Railway (1835) [23]
- Oklahoma: Union Pacific Railway, Southern Branch (1871)?
- Oregon: Abernethy's Island (ca. 1846) [24]
- Pennsylvania: Leiper Railroad (1809) [25]
- Puerto Rico:
- Rhode Island: Boston and Providence Railroad (1835) [26] - but its original line was not in Rhode Island until 1862
- South Carolina: South Carolina Canal and Railroad Company (1830) [27]
- South Dakota: Dakota Southern Railroad at North Sioux City (1872) [28]
- Tennessee:
- Texas: Buffalo Bayou, Brazos and Colorado Railway, Harrisburg to Stafford (1853) [29]
- Utah:
- Vermont:
- Virginia: Falling's Creek (ca. 1811) [30]
- First common carrier: Chesterfield Railroad (1831) [31]
- Washington:
- West Virginia:
- Wisconsin:
- Wyoming: Union Pacific Railroad (1867) [32]
