In 2000, 1,908 mi (3,070 km) of railroad track were operated in South Dakota by nine railroads. The Burlington Northern/Santa Fe (BNSF) and Soo Line were Class I railroads in operation in 2000 when 11.7 million tons of freight were hauled in the state. The freight was primarily agricultural products (originating) and coal (terminating). Class I trackage amounted to 986 mi (1,586 km). The remaining track was operated by eight other regional, local, and switching and terminal railroads.
Public highways, streets, and roads covered 83,471 mi (134,333 km) in 2000 when the state had 821,714 registered motor vehicles and 543,817 licensed drivers. There are 180 airfields, of which Joe Foss Field at Sioux Falls is the most active.