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
Closure Planned on S. D. Highway 204 (Across Oahe Dam) for Controlled Burn Northwest of Pierre
April 04, 2025
On Monday, April 7, 2025, S.D. Highway 204, across the Oahe Dam northwest of Pierre, will be closed as the U.S. Army Corps of Engineers (USACE) administers a controlled burn of vegetation on the face of the Dam.
SDDOT Seeks Public Input for Northshore Drive Realignment Project in North Sioux City
April 03, 2025
he South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Tuesday, April 15, 2025, from 5:30 to 7 p.m. (CT) at the North Sioux City Community Center, located at 205 Sodrac Dr.
Detour Route Planned for S.D. Highway 37 North of Mitchell
April 03, 2025
Beginning on Monday, April 14, 2025, traffic on S.D. Highway 37 will be detoured onto Minnesota Street and 23rd Avenue, north of Mitchell.
Structure Work Scheduled on Interstate 90 over Interstate 29 in Sioux Falls
April 02, 2025
On Monday, April 7, 2025, work will begin on the Interstate 90 eastbound structure over Interstate 29.
Structure Work Scheduled on Interstate 29 over 12th Street in Sioux Falls
April 02, 2025
On Monday, April 7, 2025, work will begin on the Interstate 29 northbound structures over 12th Street and the Ellis & Eastern Railroad tracks.
