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
Aeronautics Commission Awards $10 Million in South Dakota Airport Terminal Program (SDATP) Funds
July 20, 2024
Earlier this summer, the South Dakota Department of Transportation (SDDOT) launched the South Dakota Airport Terminal Program (SDATP) following the successful passage of Senate Bill 144 in the 2024 legislative session.
Mill and Overlay Project Scheduled to Begin on U.S. Highway 81 Near Arlington
July 20, 2024
On Tuesday, July 23, 2024, work will begin to cold mill and pave the shoulders on U.S. Highway 81 from mile marker 119 to 133.
Shoulder Chip Seal Project to Begin on U.S. Highway 16B in Rapid City
July 16, 2024
On Monday, July 22, 2024, a chip seal project is scheduled to begin on the shoulders of U.S. Highway 16B in Rapid City.
Jim Myers and James Loiseau Chosen as 2024 South Dakota Transportation Hall of Honor Inductees
July 16, 2024
The South Dakota Transportation Hall of Honor (HOH) committee recently announced its newest inductees. The 2024 inductees are the late Jim Myers, former SDDOT Director of Railroads and Transportation Secretary and the late James Loiseau, former President/Owner of Loiseau Construction, Inc.
SDDOT Diverging Diamond Interchange (DDI) Project in Rapid City Earns 2024 America’s Transportation Award
July 15, 2024
The South Dakota Department of Transportation’s (SDDOT) Diverging Diamond Interchange (DDI) located on Interstate 90 at exit 59 and North LaCrosse Street in Rapid City was recently honored as a winner within the Western Association of State Transportation Officials (WASHTO) region for the 2024 America’s Transportation Awards competition.
