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Lane Restriction Planned on U.S. Highway 12 at West End of Missouri River Bridge Near Mobridge
October 29, 2025
During the afternoon hours on Wednesday, Oct. 29, 2025, the west end of the Missouri River Bridge over U.S. Highway 12 (located just west of Mobridge) will be reduced to one 11-foot wide lane of traffic.
SDDOT Seeks Public Input on Environmental Assessment and Section 4f Evaluation for Interstate 229 Exit 3 Interchange in Sioux Falls
October 28, 2025
The South Dakota Department of Transportation (SDDOT), in collaboration with the Sioux Falls Metropolitan Planning Organization (MPO), and the City of Sioux Falls, will hold an in-person public meeting open house on Wednesday, Nov. 5, 2025, from 5-6:30 p.m. (CT).
Traffic Shift and Overnight Lane Closures Scheduled on Interstate 90 at Hartford (Exit 387)
October 15, 2025
Beginning on Thursday, Oct. 16, 2025, traffic will be shifted onto the new pavement and bridge on Western Avenue over Interstate 90 at exit 387 (Hartford).
SDDOT Seeks Public Input for Proposed S.D. Highway 25 Reconstruction Project (S.D. Highway 34 to the Hanson/Miner County Line)
October 13, 2025
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Tuesday, Oct. 28, 2025, from 5:30 – 7 p.m. (CT) to inform area residents of the proposed S.D. Highway 25 reconstruction project from S.D. Highway 34 to the Hanson/Miner County line.
SDDOT Seeks Public Input for Proposed Reconstruction Project at U.S. Highway 85 and Colorado Boulevard Intersection in Spearfish
October 13, 2025
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Tuesday, Oct. 28, 2025, at 5:30 p.m. (MT) to inform area residents of the proposed project to reconstruct the intersection of U.S. Highway 85 and Colorado Boulevard in Spearfish.
