The South Dakota Department of Transportation (SDDOT) is a state government organization in charge of maintaining public roadways of the U.S. state of South Dakota.

South Dakota has 82,447 miles of highways, roads and streets, as well as 5,905 bridges.

The DOT budgets roughly $15,700,000 for winter snow and ice removal each year.

[2] In particular, several were listed on the National Register pursuant to a 1993 Multiple Property Submission titled "Historic Bridges in South Dakota, 1893-1943.

This article about transportation in South Dakota is a stub.