Press Releases

Multiple Chip Seal Projects Scheduled to Begin on U.S. Highway 212 in Western South Dakota

June 16, 2026
On Wednesday, June 17, 2026, crews will begin a chip seal project on several sections of U.S. Highway 212 in western South Dakota.

SDDOT Extends Written Public Comment Period for Proposed Design on U.S. Highway 85 Reconstruction Project in Lawrence County

June 12, 2026
Based upon requests from members of the public, the SDDOT has extended the written comment period from the original date of Friday, June 19, 2026, to Friday, Sept. 4, 2026.

Multiple Chip Seal and Fog Seal Projects Scheduled to Begin in the Mobridge Area

June 12, 2026
On Monday, June 15, 2026, crews will begin a chip seal and fog seal project on several routes in the Mobridge area.

Temporary Road Closures Scheduled on U.S. Highway 16A and S.D. Highway 244 for Mount Rushmore Fireworks Event

June 11, 2026
The South Dakota Department of Transportation (SDDOT) will place temporary road closures to accommodate security needs for the pre-sale ticketed Freedom 250 at Mount Rushmore event scheduled for Friday, July 3, 2026.

SDDOT Seeks Public Input for Proposed Interstate 90 Grading, Surfacing, and Structure Replacement Project in Sioux Falls

June 08, 2026
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Wednesday, June 24, 2026, from 5:30 to 6:30 p.m. to inform area residents of the proposed Interstate 90 grading, surfacing, and structure replacement project in Sioux Falls.