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
Public Involvement
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 Demolition to Begin on 60th Street Bridge over Interstate 229 in Sioux Falls
September 19, 2022
The South Dakota Department of Transportation (SDDOT) says that bridge demolition will begin on Tuesday, Sept. 20, 2022, for the 60th Street Bridge over Interstate 229 just south of the I-90/229 interchange.
Lane Shift Planned for 41st Street DDI Construction Project in Sioux Falls
September 16, 2022
The South Dakota Department of Transportation (SDDOT) says that the traffic pattern on 41st Street between Marion Road and Meadow Avenue will change beginning Monday, Sept. 19, 2022.
SDDOT Seeks Public Input for I-90/U.S. Highway 85 Spearfish Rest Area/Welcome Center Corridor Study
September 14, 2022
The South Dakota Department of Transportation (SDDOT), in collaboration with the South Dakota Department of Tourism and Stantec Consulting, will hold an open house public meeting at Spearfish City Hall, located at 625 N. 5th St. in Spearfish, on Wednesday, Sept. 28, 2022, from 5:30 to 7 p.m.
Rail CRISI Funds Available for Fiscal Year 2022
September 08, 2022
The U.S. Department of Transportation recently issued a Notice of Funding Opportunity (NOFO) to announce the availability of over $1.4 billion in Consolidated Rail Infrastructure and Safety Improvement (CRISI) Grant funding.
Ditch Grading Project Scheduled on S.D. Highway 89 in Custer
September 08, 2022
The South Dakota Department of Transportation (SDDOT) says crews will begin a ditch grading project on S.D. Highway 89 starting Monday, Sept. 12, 2022.
