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
U.S. Highway 212 Reopened Through Watertown
December 09, 2022
The South Dakota Department of Transportation (SDDOT) says that the project contractor, J&J Earthworks, Inc., has reopened U.S. Highway 212 to traffic.
Traffic Configuration Switch Scheduled on Interstate 90 Near Sturgis
December 09, 2022
The South Dakota Department of Transportation (SDDOT) says that a traffic configuration switch is scheduled to take place on Monday, Dec. 12, 2022, on the Interstate 90 reconstruction project from exit 40 to exit 37, near Sturgis.
Public Comment Period Open for Draft Memorandum of Agreement for Ellis & Eastern Sioux Falls Area Railroad Bridges
December 07, 2022
The South Dakota Department of Transportation (SDDOT) was awarded a 2019 Special Transportation Circumstance (STC) Federal Grant to replace the current timber pile approaches (both east and west ends) with steel H-pile and pre-cast concrete tubs on two historic bridges (P-125 and P-131) in the Sioux Falls area.
S.D. Highway 46 Reopened to Through Traffic Near Irene
December 06, 2022
The South Dakota Department of Transportation (SDDOT) says that S.D Highway 46 in Yankton County has been reopened to through traffic for the winter months. Highway 46 had been closed to through traffic since July while construction of two new box culverts were completed.
SDDOT Seeks Public Input for Proposed Project on S.D. Highway 34 from 13 Miles East of Fort Thompson to S.D. Highway 45
November 30, 2022
PLEASE SEE UPDATED RELEASE - Dated 12/12/22 (This in-person meeting has been cancelled; information is available virtually for review and comment!)
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Tuesday, Dec. 13, 2022, to inform area residents of the proposed project on S.D. Highway 34 from 13 miles east of Fort Thompson to S.D. Highway 45.
