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SDDOT Seeks Public Input for Proposed S.D. Highway 19 Reconstruction Project Near Humboldt

The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Tuesday, May 13, 2025, from 5:30 – 7 p.m. to inform area residents of the proposed S.D. Highway 19 reconstruction project from the east S.D. Highway 42 junction to the west S.D. Highway 38 Junction near Humboldt. Read More

Ward Rest Area on I-29 South of Brookings Temporarily Closing for Annual Cleaning

The Ward Rest Area on Interstate 29, located 12 miles south of Brookings, will be temporarily closing on Wednesday, May 14, 2025, at 7 a.m. for annual spring cleaning. Read More

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

Valley Springs Rest Area/Welcome Center on Westbound I-90 Temporarily Closing for Annual Cleaning

The Valley Springs Rest Area and Welcome Center on westbound Interstate 90 will be temporarily closing on Monday, May 12, 2025, at 7 a.m. (CT) for annual spring cleaning. Read More

Overnight Construction Scheduled for U.S. Highway 385 Near Sheridan Lake

On Monday, May 5, 2025, construction is scheduled on U.S. Highway 385 near the intersection of Sheridan Lake Road to the north. Overnight activities will occur from the south end of Pactola Dam to Calumet Road. Construction crews will be working overnights each week from Monday at 6 a.m. to Saturday at 5 p.m. This schedule will continue through Wednesday, July 30, 2025. 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

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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