South DakotaDepartment of Transportation
Transportation
Aviation
About Office of Aeronautics Services
Office of Aeronautics Services
Airports Conference
Aerospace Education
Airport Information
Links
Aviation Systems Plan
Bridges
Office of Bridge Design
Design & Plans
Historical Bridges
Inventory & Inspection
Posted Structures
Reference Information
SD Bridge Photos
Doing Business
Certification & Accreditation
About Certification & Accreditation
SDDOT Accreditation Certification List
Approved Products
Manuals & Documents
Welding Certifications
Training
Contractors
Bid Letting Information
Concrete Pipe Release
Contractors/Suppliers
Prequalified Contractors
CMS Web Reports
Disadvantaged Business Enterprise (DBE)
Fuel Price Index
Labor Compliance
Materials
Preconstruction Meetings
Price Adjustment Guidelines
Standard Specifications
Subcontract Requirements
Forms & Documents
Webinars
Alternative Contracting
Engineering/Design Services
Consultant Services
Downloadable Files
Manuals
News & Updates
Right of Way / Relocation Assistance
Standard Bid Items
Standard Plates
Surveyors
Utility Coordination
Environmental
About Environmental
Agreements
Endangered Species
Environmental Assessments
Forms
Stormwater
Wetland Mitigation
Local Governments
About Local Governments
Bridge Improvement Grants
City/County Fund Balances
Emergency Relief (ER)
Federal Bridge Program
Forms & Documents
Secure Accounts Billing
Transportation Economic Development Grants
Urban Systems
Rural Access Infrastructure Fund Program
Traffic Incident Management
Training
Projects & Studies
Planning
Carbon Reduction Strategy
Freight Plan
Long Range Plan
Metropolitan Planning Organization
Non-state Public Road Inventory
Pavement Condition Monitoring
Pavement Management
South Dakota EV Fast Charging Plan
Statewide Transportation Improvement Program – STIP
Transportation Asset Management Plan (TAMP)
Construction Projects
Inside SDDOT
Forms & Publications
Brochures
Forms
Manuals
Maps
Newsletters
Reports
SDDOT Engagement Opportunities
Join One of Our Contact Lists
Press Releases
Media Kits
News Stories
Branding and Identity Guidelines
Learn More about the SDDOT Logo
SDDOT Blog
Press Releases
Construction on S.D. Highway 37 Begins in Sanborn County
April 14, 2022
The South Dakota Department of Transportation (SDDOT) says work will begin on S.D. Highway 37 from the junction with S.D. Highway 34 (approximately 2.5 miles east of Woonsocket) to the intersection of S.D. Highway 224 (Alpena Road).
Asphalt Crack Sealing in Belle Fourche Area to Resume
April 13, 2022
The South Dakota Department of Transportation (SDDOT) says asphalt crack sealing will resume on routes in the Belle Fourche Area, beginning the week of Monday, April 18, 2022.
Moody County Highway 9A Closure Planned Near Flandreau
April 12, 2022
The South Dakota Department of Transportation (SDDOT) will begin bridge replacement work on Moody County Highway 9A over the Big Sioux River northwest of Flandreau. Motorists are advised that Moody County Highway 9A will be closed to through traffic between Moody County Highway 4 and S.D. Highway 32 beginning Monday, April 18, 2022, until project completion.
Construction to Begin on S.D. Highway 52 and S.D. Highway 37 in Springfield Area
April 08, 2022
The South Dakota Department of Transportation (SDDOT) says that work will begin on Monday, April 18, 2022, on an asphalt surfacing project on S.D. Highway 52 between S.D. Highway 50 and S.D. Highway 37, and on S.D. Highway 37P from the intersection with S.D. Highway 37 through the city of Springfield.
SDDOT and Walworth County Seek Public Input into Walworth County Master Transportation Plan Study
April 08, 2022
The South Dakota Department of Transportation (SDDOT), in collaboration with Walworth County, will hold a public meeting open house on Thursday, April 14, 2022, to gather public input to develop the update to the Walworth County Master Transportation Plan.
