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
News Stories
Rail board considers Sioux Falls overpass, Napa rebuild - Keloland 11/10/2023
October 11, 2023
PIERRE, S.D. (KELO) — The South Dakota Railroad Board listened to sales pitches Tuesday from project sponsors competing for grants from a federal program.
The board has $58.9 million available in what are called Special Transportation Circumstances grants, which the Federal Railroad Administration provides to states such as South Dakota that don’t have regular passenger-train service.
Read the full story here
Contractor builds remote concrete plant to speed up I-90 reconstruction - Keloland - 08/29/23
August 30, 2023
Read or watch the story here
Two Projects in South Dakota Win Regional America’s Transportation Awards - 07/31/2023
August 01, 2023
WESTERN BUILDER - Two South Dakota Department of Transportation (SDDOT) projects won regional awards in the 2023 America’s Transportation Awards competition, created by the American Association of State Highway and Transportation Officials (AASHTO), AAA, and the U.S. Chamber of Commerce. The competition recognizes state departments of transportation (DOTs) for making a difference in their community, with each project falling into one of three categories: Quality of Life/Community Development, Op...
Eastbound Lanes on I-90 Near Sturgis to Open for Rally Traffic - 07/26/2023
July 27, 2023
RAPID CITY, S.D. (KOTA) - Interstate 90 near Sturgis is still under construction, but the eastbound lanes are expected to be open for the upcoming rally traffic.
This stretch of I-90 has been under construction all summer forcing cars into two-way traffic.
But with the rally approaching workers are pushing to make sure both sides of the interstate are open.
“We’ve had over 40 days that have been impacted by the weather on that project, however, the contractor and our personnel have done very wel...
It's True, There are More Big Road Projects This Year - 07/26/2023
July 27, 2023
SIOUX FALLS (Sioux Falls Live) — It's not your imagination. There are more and bigger construction projects underway in the Sioux Falls metro this year than in the past. In fact, the volume of work is nearly three times as much as last year, said Harry Johnston, Sioux Falls area engineer for the South Dakota Department of Transportation.
“And in the next five years it’s only going to get busier,” Johnson said during an interview at the SDDOT area headquarters in northwest Sioux Falls, which is u...
