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2025 Sturgis Motorcycle Rally Final Vehicle Counts

The South Dakota Department of Transportation (SDDOT) provides daily traffic counts at nine locations for vehicles entering Sturgis for the 85th Annual Sturgis Motorcycle Rally which ran from Aug. 1-10, 2025. Read More

Paving Project Scheduled to Begin on U.S. Highway 85 Near Belle Fourche

On Thursday, Aug. 14, 2025, crews will begin a milling and paving project on southbound U.S. Highway 85 in Belle Fourche. Read More

Chip Seal and Fog Seal Projects Scheduled in Yankton Area

On Tuesday, Aug. 12, 2025, crews will begin a chip seal and fog seal project on several routes in the Yankton area. Weather dependent, the contractor will move from one project to the next in the following scheduled order: Read More

Road Closure Scheduled for U.S. Highway 385 from Sheridan Lake Road to Be Still Road Near Hill City

Beginning on Tuesday, Aug. 12, 2025, U.S. Highway 385 from Sheridan Lake Road to Be Still Road will be closed to through traffic. Read More

2025 Sturgis Motorcycle Rally Vehicle Count – Through Day Seven

The daily vehicle counts for Friday, Aug. 8 through Sunday, Aug. 10, 2025, as well as the final 2025 Sturgis Rally total vehicle count, will be released on Tuesday, Aug. 12, 2025. Read More

S.D Highway 47 Reopening Near Winner

On Thursday, Aug. 7, 2025, S.D. Highway 47 from the junction with S.D. Highway 44 north to the Highway 49 junction will reopen to traffic. Read More

Closure Scheduled for Railroad Bridge Repair on S.D. Highway 271 Northeast of Java

On Monday, Aug. 11, 2025, S.D. Highway 271 northeast of Java, SD will be closed while Burlington Northern Santa Fe (BNSF) Railroad repairs the railroad bridge over the highway. Read More

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The Interim Rules Review Committee will be considering amendments to the following rule: ARSD 70:01:02:44 – Lincoln County speed zone rule. The committee’s hearing date is Aug. 19, 2025, at 10 a.m.
A link to the Open SD website where more information can be found is: https://rules.sd.gov/agency.aspx?agency=DOT%20%20Department%20of%20Transportation

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Updated Move Over Law in South Dakota

South Dakota’s updated Move Over Law became effective as of Tuesday, July 1, 2025. The updated law now applies to all vehicles occupying the shoulder using amber, yellow, or blue warning lights. Read More

Diverging Diamond Interchange

The LaCrosse Street Diverging Diamond Interchange (DDI) in Rapid City and the 41st Street DDI in Sioux Falls were designed to enhance safety and address future travel needs in high volume intersections within two communities experiencing population growth. The DDI design improves safety by reducing vehicle conflict points. 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

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