List of U.S. Highways in South Dakota

Standard South Dakota highway shields
System information
Notes:	South Dakota highways are generally state-maintained.
Highway names
Interstates:	Interstate X (I-X)
US Highways:	U.S. Highway X (US X)
State:	(State) Highway X (SD X)
System links
South Dakota Highways Interstate U.S. State

The U.S. Highways in South Dakota are the segments of the United States Numbered Highway System owned and maintained by the South Dakota Department of Transportation in the US state of South Dakota.