Press Releases

Pavement Repair Project Scheduled to Begin on Interstate 90 in Sioux Falls

October 03, 2025
On Monday, Oct. 6, 2025, a pavement repair project is scheduled to begin on Interstate 90 in Sioux Falls from the I-90 and Interstate29 interchange to the west just beyond the Marion Road exit.

Lane Reduction and Width Restriction Planned on Missouri River Bridge at Mobridge for Utility Maintenance

September 26, 2025
On Monday, Sept. 29, 2025, the Missouri River bridge over U.S. Highway 12 located just west of Mobridge will be reduced to one 12-foot wide lane of traffic.

SDDOT Seeks Public Input for I-29 Corridor Study (Jefferson to Sioux City)

September 26, 2025
The South Dakota Department of Transportation (SDDOT), in collaboration with the City of North Sioux City, community of Dakota Dunes, Union County, Iowa DOT, Siouxland Interstate Metropolitan Planning Council, and the Federal Highway Administration (FHWA), will hold a public meeting open house from 4:30 p.m. to 6:30 p.m. on Thursday, Oct. 9, 2025, for the Interstate 29 Corridor Study.

Repair Work Scheduled to Begin on Interstate 90 Business Loop in Oacoma

September 23, 2025
On Thursday, Oct. 2, 2025, repair work is scheduled to begin on the Interstate 90 Business Loop (S.D. Highway 248) from Miller Place to just east of Emmett Avenue in Oacoma.

Shoulder Paving Project Scheduled on U.S. Highway 85 Between Belle Fourche and Spearfish

September 18, 2025
On Thursday, Sept. 25, 2025, a shoulder milling and paving project is scheduled to begin on northbound U.S. Highway 85 between Belle Fourche and Spearfish.