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
Chip Seal and Fog Seal Project Scheduled to Begin on S.D. Highway 25 Near Howard
July 27, 2023
Crews will begin a chip seal and fog seal project on S.D. Highway 25, near Howard, beginning Tuesday, Aug. 1, 2023. The project will begin at the intersection of S.D. Highway 34 and Highway 25 and run north for 13 miles to the Miner/Kingsbury County line.
Interstate 229 Northbound On-Ramp Closure Planned at Benson Road in Sioux Falls
July 25, 2023
The Interstate 229 northbound on-ramp will be closed at Benson Road as part of this Diverging Diamond Interchange (DDI) construction project in Sioux Falls from Monday, July 31, 2023, through Wednesday, Aug. 30, 2023.
Overnight Lane Closures Planned at Interstate 29 and 41st Street DDI Project in Sioux Falls
July 22, 2023
Lane closures are planned at the intersection of Interstate 29 and 41st Street from 7 p.m. to 6 a.m. on both Wednesday, July 26, 2023, and Thursday, July 27, 2023, for crews to install steel girders that serve to support the bridge structure.
Traffic Switch Scheduled for U.S. Highway 14 near Arlington
July 22, 2023
On Wednesday, July 26, 2023, traffic will be switched to the newly constructed westbound lanes of U.S. Highway 14 near Arlington.
Brookings 20th Street Interchange Scheduled to Open on Interstate 29
July 22, 2023
The Brookings 20th Street Interchange on Interstate 29 is scheduled to open on Saturday, July 29, 2023. Northbound and southbound I-29 on and off-ramps will be opened; as well as the 20th Street mainline through the city of Brookings.
