Press Releases

Public Meeting Scheduled to Review Ethan Master Transportation Plan Preliminary Recommendations

July 23, 2026
The South Dakota Department of Transportation (SDDOT), in collaboration with the town of Ethan, will hold a public meeting open house from 6:30 to 8 p.m. (CT) on Monday, Aug. 3, 2026, at the Town Hall located at 218 W. Main St. in Ethan.

Temporary Traffic Devices and Speed Reductions to be Placed During 2026 Sturgis Motorcycle Rally

July 20, 2026
The 86th Annual Sturgis Motorcycle Rally is scheduled for Aug. 7-16, 2026. With increased traffic volumes expected during the annual Rally, the SDDOT will activate temporary traffic signals and place speed limit reductions.

Closure Scheduled for S.D. Highway 11 and 258th Street Intersection Near Corson

July 16, 2026
On Wednesday, July 22, 2026, the intersection of S.D. Highway 11 and 258th Street (County Highway 130) will close to complete grading and asphalt pavement near Corson. This intersection is anticipated to be closed until Friday, Oct. 16, 2026.

Pipe Replacement and Asphalt Paving Project Scheduled to Begin on S.D. Highway 471 Near Edgemont

July 15, 2026
On Thursday, July 16, 2026, a pipe replacement project will begin on S.D. Highway 471 near Edgemont.

SDDOT to Host Information Meeting for U.S. Highway 16/16B/Catron Boulevard Interchange Construction Project in Rapid City

July 15, 2026
On Tuesday, Aug. 4, 2026, the South Dakota Department of Transportation (SDDOT) will hold an informational meeting at 5 p.m. to share information on the background and phases for the U.S. Highway 16/16B/Catron Boulevard interchange construction project in Rapid City.