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
BRIDGE WORK TO BEGIN ON INTERSTATE 90 AT EXIT 98
June 10, 2020
The South Dakota Department of Transportation says bridge work will begin in the westbound lanes of Interstate 90 at Exit 98 near Wasta on Thursday, June 11.
Highway 385 Ditch Closure Proposed
June 10, 2020
The South Dakota Department of Transportation is proposing to close a segment of the ditch along U.S. Highway 385 in Lawrence County to off-road vehicles.
Mowing Regulations For The State Right of Way
June 10, 2020
The South Dakota Department of Transportation would like to remind landowners of mowing regulations for the state right of way.
INTERSECTION OF HIGHWAY 10 AND 8TH AVENUE WEST IN SISSETON TO BE CLOSED
June 05, 2020
The Department of Transportation says motorists using Highway 10 in Sisseton through 8th Avenue West will need to use an alternate route beginning Monday, June 8, through Thursday, June 18.
I-29 Exit 246 Interchange Ramp Closing for Construction
June 04, 2020
The South Dakota Department of Transportation says the contractor reconstructing Interstate 29 will be closing the I-29, Exit 246 interchange on Monday, June 8.
