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Shoulder Resurfacing Project Begins on Interstate 29 in Sioux Falls

Crews have begun shoulder resurfacing work on Interstate 29 at exit 84 for approximately one-half mile in Sioux Falls. Read More

White Lake Rest Areas on Interstate 90 Temporarily Closing for Annual Cleaning

The White Lake Rest Areas on both eastbound and westbound Interstate 90 will both be temporarily closing on Wednesday, May 7, 2025, at 7 a.m. for annual spring cleaning. Read More

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

Multiple Pavement Repair Projects Scheduled to Begin in the Southern Black Hills

On Monday, May 12, 2025, multiple pavement repair projects are scheduled to begin on various highways in the southern Black Hills. 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

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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