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
Bridge Painting Project on Interstate 90 Near Wasta Scheduled to Shift to the Eastbound Bridge
April 23, 2024
On Monday, April 29, 2024, an ongoing bridge painting project on Interstate 90, near Wasta, is scheduled to shift operations to the eastbound bridge over the Cheyenne River.
S.D. Highway 244 Scheduled to Reopen to Traffic near Keystone
April 23, 2024
S.D. Highway 244, near Keystone and Mount Rushmore National Monument, has been closed to through traffic from Palmer Creek Road to the east for one mile since Oct. 2023, for a structure replacement project. The project is scheduled for interim completion on Friday, May 24, 2024.
Shared Use Path Reconstruction Project to Begin in Custer Area
April 22, 2024
On Thursday, April 25, 2024, the South Dakota Department of Transportation (SDDOT) will begin ashared use path reconstruction project on U.S. Highway 16A one mile east of Custer.
2024 State Spring Load Limit Restrictions – Press Release #6
April 22, 2024
(Restriction removals for the week of April 22 - 26, 2024)
SDDOT in Search of Borrow Material Provider for S.D. Highway 28 Project Near Hitchcock
April 22, 2024
In 2026, the South Dakota Department of Transportation (SDDOT) plans to administer a construction project on S.D. Highway 28 from U.S. Highway 281 to three miles east of Hitchcock.
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