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Press Releases
Public 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 MoreIntersection Modification and Traffic Signal Project Begins on U.S. Highway 81 (Broadway Avenue) in Yankton
An intersection modification and traffic signal project has begun on U.S. Highway 81 (Broadway Avenue) in the City of Yankton. Read MoreTemporary Lane Closure Scheduled on Eastbound Interstate 90 (Exit 55) in Rapid City
Beginning at 9 a.m. on Thursday, March 5, 2026, crews are scheduled to make repairs to a tower light located on eastbound Interstate 90 at exit 55 (Deadwood Avenue) in Rapid City. Read MoreClosure Continues on U.S. Highway 385 from Pactola Dam to Taylor Ranch Road Near Hill City
With the planned reconstruction timeline, motorists are reminded that a closure is currently in place from Pactola Dam to Taylor Ranch Road until Friday, March 20, 2026. 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