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S.D. Highway 37 and S.D. Highway 46 Intersection Project Begins in Bon Homme County

Work has begun on the S.D. Highway 37 and S.D. Highway 46 intersection lighting and signing project in Bon Homme County. Read More

SDDOT Seeks Public Input on Traffic Study on U.S. Highway 212 through Redfield

The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house to discuss and receive public input on a recently completed traffic study on U.S. Highway 212. Read More

Structure Work Scheduled on Southbound Interstate 29 at 26th Street in Sioux Falls

On Monday, April 21, 2025, work is scheduled to begin on the Interstate 29 southbound structure over Skunk Creek in Sioux Falls. Read More

Media Event Scheduled in Sioux Falls for National Work Zone Awareness Week and 2025 Construction Season Kick-off

National Work Zone Awareness Week (NWZAW) is an annual awareness campaign held at the start of construction season to remind drivers to be attentive through work zones during the busy summer travel months. “Respect the zone so we all get home” is the official theme for NWZAW 2025, which will be observed nationwide the week of April 21-25, 2025. Read More

2025 Spring Load Limit Restrictions – Press Release #4 (Restriction Removal Scheduled for the week of April 21 - 25, 2025)

(Restriction Removal Scheduled for the week of April 21 - 25, 2025) Read More

Ramp Reconstruction Work Scheduled on Interstate 90 Near Vivian

On Tuesday, April 22, 2025, work is scheduled to begin on the eastbound and westbound ramps at exit 214 on Interstate 90 east of Vivian. Read More

Structure Work Scheduled on Interstate 29 at 26th Street in Sioux Falls

On Monday, April 21, 2025, work is scheduled to begin on the Interstate 29 northbound structure over Skunk Creek in Sioux Falls. Read More

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2025-2028 Statewide Transportation Improvement Program (STIP)
Learn about the South Dakota EV Fast Charging Plan
Highway Needs and Project Analysis Report (Needs Book) 2022 - Interactive Map - (under pavement management products)

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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