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
Interstate 29 Scheduled to Close at 8 p.m. (Tuesday, Feb. 14, 2023) from Watertown to North Dakota State Line
February 14, 2023
Interstate 29 (both northbound and southbound) will be closed from Watertown to the North Dakota state line at 8 p.m. on Tuesday, Feb. 14, 2023.
SDDOT Seeks Public Input for Proposed S.D. Highway 19 Reconstruction Project in Viborg
February 14, 2023
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Monday, March 6, 2023, from 5:30 – 6:30 p.m. CT to inform area residents of the proposed S.D. Highway 19 Reconstruction Project from south of Ludwig Avenue to Pioneer Avenue in Viborg.
2023 Spring Load Restriction – Press Release #1 (Week of Feb. 13 – 17, 2023)
February 13, 2023
Spring Load Limit Restrictions will apply to the road segment(s) and at the indicated weight limit shown in the table below.
SDDOT to Host 2023 Construction Kickoff Meeting on Hot Springs Urban Reconstruction Project
February 10, 2023
The South Dakota Department of Transportation (SDDOT), in cooperation with the City of Hot Springs, Avid4 Engineering, and Complete Concrete, Inc. will hold a construction meeting for the U.S. Highway 385 and U.S. Highway 18 urban reconstruction project in Hot Springs.
SDDOT Seeks Public Input into the Interstate 29 (Exit 133) Interchange Modification Study
February 09, 2023
The South Dakota Department of Transportation (SDDOT), in collaboration with the City of Brookings and the Federal Highway Administration (FHWA), will hold a public meeting open house from 5:30 p.m. to 7 p.m. on Wednesday, Feb. 15, 2023, in the council chambers of the Brookings City-County Government Center, located at 520 3rd St. in Brookings. The public meeting is being held to inform area residents of the beginning of the Interstate 29/Exit 133 Interchange Modification Study.
