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)
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
Construction Scheduled to Begin on Interstate 90 (Exit 387) at Hartford
April 08, 2025
On Monday, April 14, 2025, construction work begins on Interstate 90 (exit 387) at Hartford.
Lane Closures Scheduled for U.S. Highway 81 Projects in Hutchinson and Brookings Counties
April 08, 2025
On Tuesday, April 15, 2025, a lane closure is scheduled for approximately six miles on U.S. Highway 81 from 220th Street to 211th Street near Arlington.
Road Closures Scheduled for East 41st Street and Cliff Avenue in Sioux Falls
April 07, 2025
– On Monday, April 14, 2025, a road closure is scheduled for East 41st Street from east of South Carter Place to South Cliff Avenue.
Surfacing Project Scheduled to Begin on U.S. Highway 81 North of Yankton
April 07, 2025
Beginning on Monday, April 21, 2025, work is scheduled to begin on the U.S. Highway 81 surfacing project between the City of Yankton and S.D. Highway 46.
Concrete Repair Work Scheduled in Clay and Union Counties
April 04, 2025
On Monday, April 7, 2025, concrete spot repair work will begin on several highways located in Clay and Union Counties
About SDDOT
Aeronautics Commission
Careers at the SDDOT
Careers - SDDOT Scholarships
Careers - Seasonal Positions
Divisions
Mission & Vision
Organizational Chart
Transportation Commission
Railroad Board and Railroad Authority
SD Administrative Rules
SD Codified Law
Region & Area Offices
Forms & Publications
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
Of Interest
© 2025 State of South Dakota. All Rights Reserved.
South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Powered by:
Modern Logic
Modern Logic
Region & Area Offices
Travelers
© 2025 State of South Dakota. All Rights Reserved.
South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Powered by:
Modern Logic
Modern Logic