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Planned Temporary Road Closures Scheduled for U.S. Highway 385 Between Clear Creek Road and Horse Creek Road

On Wednesday, May 28 and Thursday, May 29, 2025, controlled rock blasting will occur as part of the U.S. Highway 385 construction project. Read More

Bridge Repair Project Scheduled to Begin on U.S. Highway 212 Near La Plant

On Wednesday, May 21, 2025, repair work will begin on the Virgin Creek Bridge located on U.S. Highway 212 west of La Plant. Work on the project will consist of approach and guardrail replacement. Read More

Cliff Avenue Scheduled to Close at Interstate 229 in Sioux Falls

– Beginning Tuesday, May 27, 2025, Cliff Avenue will be closed to all traffic from north of the existing northbound Interstate 229 exit ramps to 38th Street in Sioux Falls. Read More

Chip Seal and Fog Seal Project Scheduled to Begin on U.S. Highway 12 Near Mobridge

Beginning Tuesday, May 27, 2025, crews will begin a chip seal and fog seal project on U.S. Highway 12 from Mobridge to three miles south of Selby, weather permitting. Read More

Bridge Repair Work Scheduled to Begin on Several Structures Near Winner

Beginning Tuesday, May 27, 2025, work is scheduled to begin on several bridges near Winner. Read More

Work Scheduled to Begin on Shared Use Path in Dell Rapids

On Tuesday, May 27, 2025, crews will begin work on a shared use path on 474th Avenue in Dell Rapids. Read More

U.S. Highway 12 Closed between Morristown and Watauga in Corson County

As of Thursday, May 15, 2025, the work zone on U.S. Highway 12 between Morristown and Watauga is closed due to extremely wet weather conditions. Read More

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2025 Nomination Form - May 23, 2025 Deadline
The South Dakota Aeronautics Commission will be considering amendment or repeal of the following rules: ARSD Chapter 70:02:04 – Airport Licensing. The rules hearing date is Thursday, June 12, 2025, at 2:00 p.m. Central Time.
https://rules.sd.gov/agency.aspx?agency=DOT%20%20Department%20of%20Transportation
Rules Hearing Before the South Dakota Transportation Commission on May 29, 2025.
Information about the proposed rules can be found at: https://rules.sd.gov/agency.aspx?agency=DOT%20%20Department%20of%20Transportation
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2024 Annual Report

Many stories of collaboration and advancement are featured in the 2024 report ranging from new interchanges, public engagement improvements, a coordinated response to a natural disaster, and much more. Read More

2024 South Dakota Strategic Highway Safety Plan (SHSP)

The 2024 South Dakota Strategic Highway Safety Plan (SHSP) details a vision for highway safety in South Dakota and outlines interim objectives to progress toward a safer transportation system. Throughout the Plan, there are many informative graphics that help illustrate the importance of highway safety. Read More

Make our Roads Safer: We challenge you. Buckle Up, Phone Down!

South Dakota is one of 28 states that participate in the Buckle Up Phone Down (BUPD) safety campaign. The Buckle Up Phone Down challenge is simple: when you get into any vehicle, buckle up your seatbelt. If you are a driver, put the cell phone down. Turn it off if you have to. Every trip, every time! Read More

Centerline Rumble Strips (CLRS)

The South Dakota Department of Transportation (SDDOT) will begin to deploy Centerline Rumble Strips (CLRS) on rural roads with 500 or higher Average Daily Traffic (ADT) in order to further prevent head-on and sideswipe crashes. Read More