South Dakota Highway 130 (SD 130) is a 7.111-mile (11.444 km) state highway in Walworth County, South Dakota, United States, that connects the city of...

South Dakota's state highways were assigned in a numbering pattern that followed that of the U.S. Highways followed upon their inception. East–west highways...

South Dakota Highway 20 (SD 20) is a 385.079-mile (619.725 km) state highway in northern South Dakota, United States, that connects the Montana state...

South Dakota traverses east–west through the southern half of the state. I-90 enters South Dakota in Lawrence County as a four-lane divided highway....

South Dakota Highway 271 (SD 271) is a 25.010-mile-long (40.250 km) state highway in the north-central part of the U.S. state of South Dakota. It connects...

Interstate 29 (I-29) is a north–south Interstate Highway in the midwestern United States. In the state of South Dakota, I-29 traverses on the eastern side...

130 Oklahoma State Highway 130 Oregon Route 130 Pennsylvania Route 130 South Carolina Highway 130 South Dakota Highway 130 Tennessee State Route 130 Texas...

South Dakota Highway 79 (SD 79) is a 209-mile (336 km) state highway in western South Dakota, United States, that runs from Maverick Junction near the...

South Dakota Highway 1804 (SD 1804) is a 126.745-mile-long (203.976 km) state highway in the U.S. state of South Dakota. It consists of four disconnected...

Highway 12 U.S. Highway 83 South Dakota Highway 20 South Dakota Highway 47 South Dakota Highway 130 South Dakota Highway 144 South Dakota Highway 271...