List of Interstate Highways in South Dakota

Interstate Highways in South Dakota
Standard South Dakota highway shields
Interstate Highways highlighted in red
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 State Trunk Highway System Interstate US State

The Interstate Highways in South Dakota are the segments of the Dwight D. Eisenhower National System of Interstate and Defense Highways owned and maintained by the South Dakota Department of Transportation in the US state of South Dakota.