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Temporary Closure Scheduled for Missouri River Bridge on U.S. Highways 14/83 between Fort Pierre and Pierre  

Weather dependent, on Monday, March 17, 2025, the newly constructed Missouri River Bridge located on U.S. Highways 14/83 between Fort Pierre and Pierre will be closed temporarily from 9 to 9:30 a.m. while the contractor utilizes shape charges for the removal of the girders on the original bridge structure. Read More

Construction Scheduled to Begin on Bridge Replacement Project on S.D. Highway 79 in Harding County

Construction Scheduled to Begin on Bridge Replacement Project on S.D. Highway 79 in Harding County Read More

U.S. Highway 81 Lane Closure Scheduled Near Madison

Beginning on Monday, March 17, 2025, a lane closure will be placed on U.S. Highway 81 in Lake County near the city of Madison. Read More

Construction Project Scheduled to Begin on S.D. Highway 34 in Colman

On Tuesday, March 18, 2025, construction work will begin on S.D. Highway 34 through Colman from west of 469th Avenue to the east city limits. Read More

South Dakota Transportation Hall of Honor Committee Accepting 2025 Nominations

The Transportation Hall of Honor Committee is accepting nominations for review and consideration for induction into the South Dakota Transportation Hall of Honor. Read More

Closure Scheduled for Eastbound Wasta Rest Area on Interstate 90

Beginning on Monday March 17, 2025, the eastbound Wasta Rest Area located on Interstate 90 will be temporarily closed for a planned sanitary sewer upgrade project. Read More

Public Informational Meetings Scheduled for Euclid Avenue (U.S. Highways 14/83) Reconstruction Project in Pierre

On Thursday, March 20, 2025, the South Dakota Department of Transportation (SDDOT), along with the City of Pierre, and Morris Inc., will hold a public informational meeting to discuss the upcoming Euclid reconstruction project in Pierre. 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