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SDDOT Seeks Public Input for 10th and 11th Streets Viaduct Replacement Study in Sioux Falls

The South Dakota Department of Transportation (SDDOT), in conjunction with the City of Sioux Falls and the Federal Highway Administration (FHWA), will hold a public meeting open house to discuss the 10th and 11th Streets Viaduct Replacement Study. The public meeting is scheduled from 5 p.m. – 6:30 p.m. on Wednesday, May 14, 2025, at Holiday Inn City Centre, located at 100 E. 8th St. in Sioux Falls. Read More

Bridge Repairs Scheduled on S.D. Highway 34 in Haakon and Ziebach County

On Monday, May 5, 2025, concrete repair work is scheduled to begin on the Cheyenne River Bridge located on S.D. Highway 34 in Haakon and Ziebach County. Read More

Repair Project Scheduled to Begin on Eastbound Interstate 90 at Exit 212 West of Vivian

On Monday, May 5, 2025, repair work is scheduled to begin on eastbound Interstate 90 near exit 212, located west of Vivian. Read More

Lane Closures and Detour Route in Place for S.D. Highway 13 Project Near Elkton

Construction Work has begun on S.D. Highway 13 from the intersection of S.D. Highway 324 toward the city of Elkton. Read More

Lane Closures Scheduled for U.S. Highway 81 Reconstruction Project Near Madison

Beginning on Monday, May 5, 2025, lane closures are scheduled to be installed on U.S. Highway 81 near Madison. Read More

Closure Scheduled for Interstate 90 Westbound Off-Ramp at Brandon (Exit 406)

On Monday, May 5, 2025, the westbound off-ramp on Interstate 90 at Brandon (exit 406) will be closing as part of the Diverging Diamond Interchange (DDI) construction project. Read More

U.S. Highway 212 Scheduled to Close for Construction East of Redfield

On Monday, May 5, 2025, U.S. Highway 212 will be closed at a location six miles east of Redfield. Read More

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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