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)
                            
                    
    
    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
Double Lane Closures Planned on Interstate 229 at Rice Street Bridge in Sioux Falls
July 10, 2023
            On Wednesday July 12, 2023, the two northbound left lanes will be closed on Interstate 229 in Sioux Falls at the Rice Street Bridge for concrete repair.
            
        
        
            Chip Seal and Fog Seal Projects Scheduled to Begin in the Yankton Area
July 10, 2023
            On Monday, July 17, 2023, chip seal and fog seal projects are scheduled to begin on several highways in the Yankton Area.
            
        
        
            Transportation Commission Approves $75 Million for Local Bridge Program
July 10, 2023
            The South Dakota Transportation Commission directed $75 million towards local governments to enhance bridge structures at their June meeting. 
            
        
        
            Six-Ton Axle Weight Limit to be Placed on S.D. Highway 34 in Hyde County (Update - July 17, 2023)
July 06, 2023
            Due to road breakup, the South Dakota Department of Transportation (SDDOT) is implementing a six-ton maximum axle weight limit beginning Tuesday, July 11, 2023, on S.D. Highway 34 from the Hughes/Hyde County line (mile marker 245) to S.D. Highway 47 (mile marker 257) near the town of Stephan.
            
        
        
            S.D. Highway 45 and S.D. Highway 26 Asphalt Resurfacing Scheduled to Begin from Miller to U.S. Highway 212
July 06, 2023
            An asphalt resurfacing project on S.D. Highway 45 and S.D. Highway 26 from the northern city limits of Miller to U.S. Highway 212 is scheduled to begin on Friday, July 7, 2023.
            
        
                    About SDDOT
                    
    
                                
                                Aeronautics Commission
                                
                                Careers at the SDDOT
                                
                                Careers - SDDOT Scholarships
                                
                                Careers - Seasonal Positions
                                
                                Divisions
                                
                                Mission & Vision
                                
                                Organizational Chart
                                
                                Transportation Commission
                                
                                Railroad Board and Railroad Authority
                                
                                SD Administrative Rules
                                
                                SD Codified Law
                    
                    Region & Area Offices
                    
                    Forms & Publications
                    
                    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
                    
                    Of Interest
                    
            © 2025 State of South Dakota. All Rights Reserved.
South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
          Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Powered by:
Modern Logic
        Modern Logic
Region & Area Offices
Travelers
© 2025 State of South Dakota. All Rights Reserved.
South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
          Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Powered by:
Modern Logic
        Modern Logic
                                    
                                        
                                        
                                        