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Construction Scheduled to Resume on S.D. Highway 46 Project through Wagner
On Wednesday, March 18, 2026, construction work is scheduled to resume on S.D. Highway 46 through the town of Wagner. Work on phase two of the project includes rebuilding the roadway and storm sewer from Grant Avenue SE to the west end of the Wagner City limits. Read MoreInterstate 29 and Interstate 90 Reopened - Sunday, March 15, 2026
(Winter Storm Release #2) Read MoreInterstate 29 and Interstate 90 Closures Scheduled for Saturday, March 14, 2026 (Winter Storm Release #1)
Interstate 29 and Interstate 90 Closures Scheduled for Saturday, March 14, 2026 (Winter Storm Release #1) Read MorePublic Information Meeting Scheduled as Grading Project Resumes on S.D. Highway 73 South of Kadoka
On Thursday, March 26, 2026, the South Dakota Department of Transportation (SDDOT) will be hosting a public informational meeting at 5:30 p.m. (MT) to share information as the multi-year reconstruction project resumes on S.D. Highway 73 south of Kadoka. Read MoreLane Closure Scheduled for Southbound I-229 in Sioux Falls for I-29 and 85th Street Interchange Project
On Monday, March 16, 2026, a season-long lane closure will be installed in the southbound lanes of Interstate 229 at mile marker 0. Read MoreSDDOT Seeks Public Input for Proposed Reconstruction Project on S.D. Highway 21 Near Hayti
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Tuesday, March 24, 2026, for the upcoming grading, surfacing, and box culvert project on S.D. Highway 21 from S.D. Highway 28 north to Hayti. Read MoreBarrier Repair Project Scheduled to Begin on I-90 at Piedmont and Rapid City
Beginning on Wednesday, March 11, 2026, crews will begin a barrier repair project between the Piedmont service road and the eastbound lanes of Interstate 90. Read MoreFeatured Resources
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Meetings & Events
Railroad Board & Authority Meeting 03/18/2026
3/18/2026 10:00 AM MT / 11:00 AM CT
The agenda and corresponding attachments for the meeting, as well as additional information about the Board, can be found here:
View DetailsTraffic Incident Management System (TIMS) – Box Elder, SD – 3/18/2026
3/18/2026 12:00 PM MT / 1:00 PM CT
Traffic Incident Management Training
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 Training (TIMS) – Box Elder, SD 3/19/26
3/19/2026 7:00 AM MT / 8:00 AM CT
Traffic Incident Management Training
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 Training (TIMS) – Box Elder, SD 3/19/26 Afternoon Class
3/19/2026 12:00 PM MT / 1:00 PM CT
Traffic Incident Management Training
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 Details