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 Projects Planned for Greater Sioux Falls Area
May 17, 2023
Chip seal and fog seal applications will be applied to several highways in the greater Sioux Falls area beginning on Friday, May 19, 2023.
On-ramp Closure Planned at Interstate 29 and 41st Street in Sioux Falls
May 12, 2023
The southbound on-ramp at Interstate 29 (exit 77) at 41st Street will close the morning of Monday, May 15, 2023, as part of the 41st Street DDI project.
Nighttime Work Scheduled on North LaCrosse Street at Interstate 90 (Exit 59) in Rapid City
May 11, 2023
On Monday, May 15, 2023, asphalt nighttime paving is scheduled to take place on North LaCrosse Street at the Interstate 90 (exit 59) interchange. This paving work is expected to be completed by 6 a.m. on Tuesday, May 16, 2023.
Public Invited to Informational Open House for South Dakota’s First Diverging Diamond Interchange (DDI) in Rapid City
May 10, 2023
On Wednesday, May 31, 2023, the South Dakota Department of Transportation (SDDOT) will hold an informational open house to answer questions and share information about the Interstate 90 and LaCrosse Street (exit 59) project in Rapid City.
Application Process Begins for 2024 Transportation Alternatives (TA) Program Funding
May 09, 2023
Letters of intent are now being accepted for the Transportation Alternatives (TA) program through the South Dakota Department of Transportation (SDDOT).
