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Southbound Lanes on Interstate 29 Scheduled to Reopen Near Brookings
October 09, 2025
On Friday, Oct. 10, 2025, the southbound lanes on Interstate 29 are scheduled to reopen to traffic.
SDDOT Invites Proposals for the Sale or Lease of State-Owned Rail Line
October 06, 2025
The South Dakota Department of Transportation (SDDOT) is announcing the release of an Invitation for Proposals (IFP) seeking qualified parties interested in purchasing or leasing the State-owned Napa Junction to Platte rail line for common carrier freight rail operations.
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.
