Press Releases

SDDOT Diverging Diamond Interchange (DDI) Project in Rapid City Earns 2024 America’s Transportation Award

July 15, 2024
The South Dakota Department of Transportation’s (SDDOT) Diverging Diamond Interchange (DDI) located on Interstate 90 at exit 59 and North LaCrosse Street in Rapid City was recently honored as a winner within the Western Association of State Transportation Officials (WASHTO) region for the 2024 America’s Transportation Awards competition.

Interstate 29 Structure Improvement Project Scheduled to Begin Near Worthing (Exit 64)

July 15, 2024
On Wednesday, July 17, 2024, structure improvements are scheduled to begin in the Sioux Falls area on both northbound and southbound Interstate 29 near Worthing at exit 64.

One-Way Traffic Configuration Planned for S.D. Highway 11 Over I-90 at Brandon

July 15, 2024
On Tuesday July 16, 2024, the South Dakota Department of Transportation (SDDOT) will begin a temporary signal for one-way traffic across the Exit Bridge on S.D. Highway 11 over Interstate 90 at Brandon.

Polymer Deck Seals Scheduled to Begin on Pierre Area Bridges

July 12, 2024
A multi-location polymer deck seal project is scheduled to begin today, Friday, July 12, 2024, in Stanley, Haakon, Jackson, Brule, and Lyman Counties.

Column Repair to Begin Under Rush Creek Bridge on S.D. Highway 20 in Harding County

July 12, 2024
On Monday, July 15, 2024, work will begin on a column repair project under the Rush Creek Bridge on S.D. Highway 20 located west of Buffalo. Motorists can expect lane closures at times through the work zones.