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Press Releases
U.S. Highway 16A in Custer State Park Scheduled to Reopen
Beginning Friday, April 3, 2026, the two-mile closure on U.S. Highway 16A in Custer State Park will reopen to traffic. Read MoreSouth Dakota Transportation Hall of Honor Committee Accepting 2026 Nominations
The committee seeks nominees who have gained the admiration of their peers and earned distinction in the transportation field. Read MoreElizabeth Street Scheduled to Close for City Utility Work and Reconstruction of S.D. Highway 1889 (Euclid Avenue) in Pierre
On Wednesday, April 1, 2026, Elizabeth Street, between Euclid Avenue and Grand Avenue, is scheduled to close to accommodate placement of city utilities and reconstruction of the street. Read More2026 Spring Load Limit Restrictions – Press Release #3
Restrictions Scheduled for REMOVAL the week of March 30 – April 3, 2026 Read MoreBridge Maintenance Project Scheduled to Begin U.S. Highway 281 between Aberdeen and Warner
On Monday, April 6, 2026, a bridge maintenance project is scheduled to begin on U.S. Highway 281 between Aberdeen and Warner. Read MoreStructure and Grading Projects Scheduled to Begin on U.S. Highway 85 in Butte County and S.D. Highway 20 in Harding County
Beginning Monday, March 30, 2026, crews will begin replacing a box culvert on U.S. Highway 85 over Hilderbrand Creek, approximately 20 miles north of Belle Fourche. Read MoreConstruction Scheduled to Begin on 20th Street South and 22nd Avenue South Intersection in Brookings
On Monday, March 30, 2026, work is scheduled to begin on the intersection of 20th Street South and 22nd Avenue South in Brookings. Read MoreFeatured Resources
Notice of Public Hearing:
Pursuant to the authority vested in the South Dakota Transportation Commission by South Dakota Codified Law chapter 1-26, the Transportation Commission will hold a public hearing in the Commission Room of the Becker Hansen Building at 700 E. Broadway Ave. in Pierre, on Thursday, April 23, 2026, at 9 a.m. (CT) to consider amendments to Administrative Rule of South Dakota numbered: 70:01:02:44 – Lincoln County speed zone rule
The South Dakota Transportation Commission is considering whether to reduce the speed limit on South Dakota Highway 115 around its intersection with South Veterans Parkway in Lincoln County, South Dakota. The current speed limit in that area is fifty-five miles per hour, but a reduced speed limit would be more appropriate in this urban area. The purpose of reducing the speed limit is to enhance safety.
View here: https://rules.sd.gov/
2026 Planned Construction Map
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Meetings & Events
Traffic Incident Management System (TIMS) – Sioux Falls, SD -3/31/26 Morning Class
3/31/2026 7:00 AM MT / 8:00 AM CT
This training provides instruction on safe, efficient, and coordinated response to traffic incidents. The course emphasizes responder safety, quick incident clearance, and effective interagency communication to reduce risks and restore normal traffic operations as quickly as possible.
View DetailsTraffic Incident Management System (TIMS) – Sioux Falls, SD 3/31/26 Afternoon Class
3/31/2026 11:00 AM MT / 12:00 PM CT
This training provides instruction on safe, efficient, and coordinated response to traffic incidents. The course emphasizes responder safety, quick incident clearance, and effective interagency communication to reduce risks and restore normal traffic operations as quickly as possible.
View DetailsTraffic Incident Management System (TIMS) – Sioux Falls, SD – 4/1/26
4/1/2026 7:00 AM MT / 8:00 AM CT
This training provides instruction on safe, efficient, and coordinated response to traffic incidents. The course emphasizes responder safety, quick incident clearance, and effective interagency communication to reduce risks and restore normal traffic operations as quickly as possible.
View DetailsTransportation Commission Meeting 04/09/2026
4/9/2026 8:00 AM MT / 9:00 AM CT
The agenda and corresponding attachments for the meeting, as well as additional information about the Commission, can be found here:
View Details