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
Asphalt Surfacing Project Scheduled to Begin on S.D. Highway 40 Near Keystone
August 25, 2023
On Wednesday, Aug. 30, 2023, an asphalt surfacing project will begin on S.D. Highway 40, east of Keystone.
Asphalt Surfacing Projects in Progress on S.D. Highway 44 and Interstate 90
August 23, 2023
Asphalt surfacing projects are in progress on S.D. Highway 44 and Interstate 90.
South Dakota Railroad Board Seeking Special Transportation Circumstance Grant Applications
August 23, 2023
The South Dakota Railroad Board is accepting applications from interested parties for the FY2022 and FY2023 allocation of Special Transportation Circumstance (STC) grant funding.
Box Culvert Construction to Begin on U.S. Highway 18 by Canton
August 23, 2023
On Monday Aug. 28, 2023, box culvert construction work will begin on U.S. Highway 18 west of Canton.
Railroad Crossing Closure Planned on S.D. Highway 63 in Midland
August 22, 2023
Due to a rail maintenance project, S.D. Highway 63 is scheduled to be closed at the railroad crossing in Midland. The closure will begin at 7 a.m. on Wednesday, Sept. 6, 2023.
