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Temporary 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 MoreTransportation Alternatives (TA) Recipients Announced by Transportation Commission at February Meeting
The South Dakota Transportation Commission awarded 16 sidewalk, trail, and shared use path Transportation Alternatives (TA) projects totaling approximately $9.5 million at the recent commission meeting held in Pierre. Read MoreRockfall Mitigation to Begin in Cleghorn Canyon on S.D. Highway 44 in Rapid City
Beginning Monday, March 2, 2026, crews will begin a rockfall mitigation project on S.D. Highway 44 across from the Cleghorn Springs State Fish Hatchery in Rapid City. Read MoreBridge Improvement Grant (BIG) Recipients Announced by Transportation Commission at February Meeting
The South Dakota Transportation Commission awarded 21 preservation, rehabilitation, and replacement Bridge Improvement Grants (BIG) totaling approximately $17.8 million at the recent commission meeting held in Pierre. Read MoreUrban Reconstruction Project Scheduled to Begin on S.D. Highway 1889 (Euclid Avenue) in Pierre
The S.D. Highway 1889 (Euclid Avenue) urban reconstruction project within the city of Pierre is scheduled to begin its second year of construction. Read MoreInterstate 90 Construction Project Scheduled to Begin near Wasta
Beginning Monday, March 2, 2026, work is scheduled to begin on Interstate 90, near exit 101 at Wasta. Read MoreFeatured Resources
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Meetings & Events
March 5, 2026, Public Meeting - S.D. Highway 473 - Nevada Gulch Road from U.S. 14A to one mile east of Terry Peak
3/5/2026 5:30 PM MT / 6:30 PM CT
Project Location: S.D. Highway 473 - Nevada Gulch Road from U.S. 14A to one mile east of Terry Peak
Project Description: Grading, AC Surfacing
2026 SDDOT Labor Compliance Webinar
3/10/2026 9:00 AM MT / 10:00 AM CT
The SDDOT and Elation Systems will be hosting a joint webinar, March 10, 2026, at 10 a.m. (CT). SDDOT will be covering the new Davis Bacon Wage Decision and updated Defined Work Classifications, and the basic use of the electronic payroll submission system (EPSS) through Elation System as well as possible compliance issues that may arise.
View DetailsTransportation Commission Meeting 03/12/2026
3/12/2026 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 DetailsRailroad 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 Boards and Commissions.
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