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Multiple Chip Seal and Fog Seal Projects Scheduled to Begin in the Pierre Area

On Tuesday, July 15, 2025, crews will begin a chip seal and fog seal project on several routes in the Pierre area. Read More

Structure Work Scheduled on Southbound Interstate 29 Over 12th Street and Ellis and Eastern Railroad in Sioux Falls

On Monday, July 14, 2025, work is scheduled to begin on the Interstate 29 southbound structures over 12th Street and the Ellis and Eastern Railroad tracks in Sioux Falls. Read More

Traffic Switch Scheduled for Southbound Interstate 29 in Sioux Falls

On Thursday, July 10, 2025, a traffic switch is scheduled to take place on southbound Interstate 29 on the bridge over Skunk Creek in Sioux Falls. Read More

Bridge Work Scheduled on Westbound Interstate 90 Over Interstate 29 in Sioux Falls

On Thursday, July 10, 2025, work will begin on the Interstate 90 westbound structure over Interstate 29. Read More

Traffic Change Update for U.S. Highway 14/83 Reconstruction Project in Pierre

On Wednesday, July 9, 2025, traffic on the Sioux Avenue portion of U.S. Highway 14/83 in Pierre will be returned to its traditional five-lane configuration. Read More

Multiple Chip Seal and Fog Seal Projects Scheduled to Begin in the Winner Area

On Wednesday, July 9, 2025, crews will begin a chip seal and fog seal project on several routes in the Winner area. Read More

Railroad Crossing on S.D. Highway 73 Scheduled to Temporarily Close in Philip

On Monday, July 14, 2025, the Rapid City, Pierre, and Eastern Railroad Company will be conducting railroad crossing replacement work on S.D. Highway 73 in Philip. The replacement is scheduled to take approximately seven days to complete, and the crossing will be closed to all traffic during operations. Read More

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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