| Interstate Highways in South Dakota | |||||||
| Shields: |
| ||||||
| Caption: | Standard South Dakota highway shields | ||||||
| Statehwy: | (State) Highway X (SD X) | ||||||
| Interstate: | Interstate X (I-X) | ||||||
| Us: | U.S. Highway X (US X) | ||||||
| Notes: | South Dakota highways are generally state-maintained. | ||||||
| Links: | SD | ||||||
| Map Custom: | yes | ||||||
| Map Notes: | Interstate Highways highlighted in red | ||||||
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.__TOC__