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SDDOT Seeks Public Input into the I-90/S.D. Highway 38 Corridor Study

The South Dakota Department of Transportation (SDDOT), in collaboration with the City of Hartford, City of Humboldt, City of Sioux Falls, Minnehaha County, Sioux Falls MPO, and the Federal Highway Administration, will hold a public meeting open house on Monday, April 7, 2025, from 6 p.m. to 7:30 p.m. at West Central High School, located at 705 E. 2nd St. in Hartford. Read More

Structure Work Scheduled on Interstate 29 over 12th Street in Sioux Falls

On Monday, April 7, 2025, work will begin on the Interstate 29 northbound structures over 12th Street and the Ellis & Eastern Railroad tracks. Read More

Structure Work Scheduled on Interstate 90 over Interstate 29 in Sioux Falls

On Monday, April 7, 2025, work will begin on the Interstate 90 eastbound structure over Interstate 29. Read More

SDDOT Seeks Public Input for Proposed Reconstruction Project on S.D. Highway 49 in Colome

The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Thursday, April 10, 2025, for the proposed reconstruction project on S.D. Highway 49 in Colome. Read More

Pipe Repair Work to Begin on S.D. Highway 79 Near Reva

BELLE FOURCHE, S.D. – On Monday, April 7, 2025, pipe repair work will begin on S.D. Highway 79 north of Reva. Read More

Grading Work to Begin on S.D Highway 28 Near Estelline

On Wednesday, April 9, 2025, grading work will begin on S.D. Highway 28 from Estelline east to the S.D. Highway 15 north junction. Read More

Traffic Switch Scheduled on I-90 and Exit 406 at Brandon

On Monday, April 7, 2025, a two-way traffic configuration will be placed on westbound Interstate 90 at Brandon (exit 406) as part of the Diverging Diamond Interchange (DDI) construction project. 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