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Press Releases
Banquets Scheduled for 2026 South Dakota Transportation Hall of Honor Inductees
The South Dakota Transportation Hall of Honor Committee recently announced June Hansen, Civil Rights Compliance Officer for the South Dakota Department of Transportation (SDDOT) and Kari Karst, President / CEO of BX Civil & Construction as its 2026 inductees. Read MoreAsphalt Surface Treatment Project Scheduled to Begin in Brown, Day, Edmunds, Faulk, McPherson, and Potter Counties
On Monday, Aug. 3, 2026, an asphalt surface treatment project is scheduled to begin on several highway segments in Brown, Day, Edmunds, Faulk, McPherson, and Potter Counties. Read MoreMultiple Asphalt Surface Treatment Projects Scheduled to Begin in Beadle, Buffalo, Clark, Hand, Hyde, and Spink Counties
On Monday, July 27, 2026, crews will begin asphalt surface treatment projects on several segments of S.D. Highways 20, 25, 28, 34, 37, 45, 47 and U.S. Highways 14, 212 in Beadle, Buffalo, Clark, Hand, Hyde, and Spink Counties. Work Read MorePublic Meeting Scheduled to Review Dimock Master Transportation Plan Preliminary Recommendations
The South Dakota Department of Transportation (SDDOT), in collaboration with the town of Dimock, will hold a public meeting open house from 4 p.m. to 5:30 p.m. (CT) on Monday, Aug. 3, 2026, at City Hall located at 505 S. Main St. in Dimock. Read MorePublic Meeting Scheduled to Review Ethan Master Transportation Plan Preliminary Recommendations
The South Dakota Department of Transportation (SDDOT), in collaboration with the town of Ethan, will hold a public meeting open house from 6:30 to 8 p.m. (CT) on Monday, Aug. 3, 2026, at the Town Hall located at 218 W. Main St. in Ethan. Read MoreTemporary Traffic Devices and Speed Reductions to be Placed During 2026 Sturgis Motorcycle Rally
The 86th Annual Sturgis Motorcycle Rally is scheduled for Aug. 7-16, 2026. With increased traffic volumes expected during the annual Rally, the SDDOT will activate temporary traffic signals and place speed limit reductions. Read MoreClosure Scheduled for S.D. Highway 11 and 258th Street Intersection Near Corson
On Wednesday, July 22, 2026, the intersection of S.D. Highway 11 and 258th Street (County Highway 130) will close to complete grading and asphalt pavement near Corson. This intersection is anticipated to be closed until Friday, Oct. 16, 2026. Read MoreFeatured Resources
2026-2029 Statewide Transportation Improvement Program (STIP)
There will be a hearing before the South Dakota Transportation Commission on Thursday, Aug. 27, 2026, to consider amendments of the following administrative rule: 70:01:02:62 – Union County speed zone rule.
More information about the rule amendments may be found at the following link on the OpenSD website: https://rules.sd.gov/agency?agency=DOT%20%20Department%20of%20Transportation.
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Meetings & Events
Dimock Master Transportation Plan Study Public Meeting
8/3/2026 3:00 PM MT / 4:00 PM CT
The South Dakota Department of Transportation (SDDOT), in collaboration with the town of Dimock, will hold a public meeting open house from 4 p.m. to 5:30 p.m. (CT) on Monday, Aug. 3, 2026, at City Hall located at 505 S. Main St. in Dimock. The public meeting is designed to discuss and receive input regarding the preliminary recommendations for the Master Transportation Plan being developed for Dimock.
The public meeting open house will be informal, allowing for one-on-one discussions with the study team. A short presentation will be given at the beginning of the meeting.
The overall goal for the study is to develop a long-range plan for the town of Dimock. The study area includes all roads, sidewalks, and other transportation related infrastructure within the Dimock city limits.
View DetailsEthan Master Transportation Plan Study Public Meeting
8/3/2026 5:30 PM MT / 6:30 PM CT
The South Dakota Department of Transportation (SDDOT), in collaboration with the town of Ethan, will hold a public meeting open house from 6:30 to 8 p.m. (CT) on Monday, Aug. 3, 2026, at the Town Hall located at 218 W. Main St. in Ethan. The public meeting is designed to discuss and receive public input regarding the preliminary recommendations for the Master Transportation Plan being developed for the town of Ethan. The study area includes all roads, sidewalks, and other transportation‑related infrastructure.
View DetailsInformation Meeting U.S. Highway 16/16B/Catron Boulevard Interchange
8/4/2026 5:00 PM MT / 6:00 PM CT
On Tuesday, Aug. 4, 2026, the South Dakota Department of Transportation (SDDOT) will hold an informational meeting at 5 p.m. to share information on the background and phases for the U.S. Highway 16/16B/Catron Boulevard interchange construction project in Rapid City.
The construction information meeting will take place in the event room at Black Hills Energy, located at 7001 Mount Rushmore Rd. in Rapid City.
View DetailsRailroad Board & Authority Meeting 08/19/2026
8/19/2026 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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