Bid Letting Contractors

Maps & GIS

Public Meetings

Careers

How Do I?

Press Releases›

View Press Release Archive

Construction Scheduled to Resume on S.D. Highway 37 Near Mitchell

On Monday, March 24, 2025, construction work will resume on S.D. Highway 37 from the bridge at the Lake Mitchell Spillway through the intersection of Main Street and the S.D. Highway 37 Bypass. Read More

Construction Begins on S.D. Highway 73 Near Kadoka

On Monday, March 17, 2025, construction work began on S.D. Highway 73 from Kadoka to the south for eight miles. Read More

Lane Closures Scheduled on I-90 and Exit 406 at Brandon

On Monday March 24, 2025, lane closures will be placed on westbound Interstate 90 at Brandon (exit 406) as part of the Diverging Diamond Interchange (DDI) reconstruction project. Read More

Urban Reconstruction Project to Resume on S.D. Highway 37 (Dakota Avenue) in Huron

On Wednesday, March 19, 2025, work will resume on the S.D. Highway 37 (Dakota Avenue) reconstruction project through Huron. Read More

SDDOT in Search of Borrow Material Providers for S.D. Highway 37 Project North of Huron

The SDDOT is reaching out to area landowners to generate interest as a borrow provider 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

View Press Release Archive

Featured Resources

Current Inductee List

2025 Nomination Form - May 23, 2025 Deadline

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)

COMMONLY ASKED QUESTIONS:
Motor Vehicle Registration and Licensing:
SD Department of Revenue
Driver Licensing:
SD Department of Public Safety
Commercial Driver Licensing (CDL):
SD Department of Public Safety
Map of Region and Area Boundaries
Contact info

South Dakota Official State Homepage:
Request Public Records

Talk to Us

Stay Connected

Blog›

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