South Dakota
Department of Transportation
contacts
Transportation
Aviation
About Office of Aeronautics Services
Office of Aeronautics Services
Airport Conference
Aerospace Education
Airport Information
Links
Bridges
About Bridges
Design & Plans
Historical Bridges
Inventory & Inspection
Reference Information
Highways
About Highways
Access Management
Data Analysis
Geotechnical
Highway Classification
Highway Safety
Traffic Data
Public Transit
General Information / Notices
Procurement
Provider Network
Rural Transit
Specialized Transit
Urban Transit Planning Program Units
Transit Reporting
Forms & Publications
Railroads
About Railroads
Current Rail System
Highway Rail Safety
Operation Lifesaver
Rail Carriers
State Rail Plan
On The Road: Rumble Strips
Doing Business
Certification & Accreditation
About Certification & Accreditation
Approved Products
Manuals & Documents
Welding Certifications
Training
Contractors
Bid Letting Information
Concrete Pipe Release
Contractors/Suppliers
Prequalified Contractors
CMS Web Reports
DBE
Fuel Price Index
Labor Compliance
Materials
Preconstruction Meetings
Price Adjustment Guidelines
Standard Specifications
Subcontract Requirements
Forms & Documents
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 and County Contacts
City/County Fund Balances
Emergency Relief (ER)
Federal Bridge Program
Forms & Documents
Secure Accounts Billing
Transportation Economic Development Grants
Urban Systems
Projects & Studies
Planning
Freight Plan
Long Range Plan
Metropolitan Planning Organization
Non-state Public Road Inventory
Pavement Condition Monitoring
Pavement Management
Statewide Transportation Improvement Program – STIP
Studies
Special Studies
SDDOT Innovation
Diverging Diamond Interchange (DDI)
Construction Projects
Public Meetings
U.S. Highway 14 (6th Street), Brookings
U.S. 83 from White River to South of Murdo
Highway 100 and Exit 402
I-229/26th St Reconstruction
Programs & Services
Civil Rights
Americans with Disabilities Act (ADA)
Civil Rights Program
Equal Employment Opportunity (EEO)
On-the-Job Training (OJT)
Title VI
Tribal Relations (TERO)
Outdoor Business Signing
About Outdoor Business Signing
Billboards
Logos
TODS
Programs
Adopt-A-Highway
Memorials on State Highways (THINK signs)
Audits
Property Sales
Reprographics
Research
Scenic Byways
SDDOT TRAC Program
Transportation Alternatives
Travelers
Travelers
Bicycle/Pedestrian
Rest Area/Ports of Entry
Road Construction Information
Road & Travel Conditions
Spring Load Restrictions
Truckers
Road Condition and Construction Info
Inside SDDOT
About SDDOT
Mission & Vision
Organizational Chart
Divisions
Transportation Commission
Aeronautics Commission
Railroad Board and Railroad Authority
SD Administrative Rules
SD Codified Law
SDDOT Strategic Plan
Forms & Publications
Brochures
Forms
Manuals
Maps
Newsletters
Reports
Media
Join One of Our Contact Lists
Videos
Press Releases
Region & Area Offices
Aberdeen
Mitchell
Pierre
Rapid City
Region/Area/Maintenance Unit Map
Of Interest
Other State DOTs
Safe Travel USA / 511
Forms & Publications
Bid Letting Contractors
Maps & GIS
Public Meetings
Careers
How Do I?
Get Airport Information
Get to Safe Travel USA
Find Public Meetings
Get a permit to access a highway, such as for mowing?
Get a state highway map?
Order county and city maps?
Find Emergency Relief Information?
Find information that pertains to truckers?
Find information for a drivers license?
Find information for Motor Vehicles and Licensing?
Find a US DOT Number? (the state does not issue them)
Press Releases
›
I-90 EXIT 10 EASTBOUND OFF RAMP CLOSURE
The South Dakota Department of Transportation will be doing repair work on the bridge over Spearfish Creek on Thursday, Oct. 29.
Read More
Hall of Honor Banquet for Ben Orsbon of Pierre Nov. 2
Ben Orsbon of Pierre is being inducted into the South Dakota Transportation Hall of Honor.
Read More
TUNNEL INSPECTIONS TO TAKE PLACE IN OCTOBER
The Department of Transportation will be doing bi-annual tunnel inspections the week of Oct. 5, 2020. This will result in traffic delays and or closure of Highway 87 Needles Highway and Highway 16A Iron Mountain Road.
Read More
Featured Resources
Ben Orsbon Hall of Honor Banquet Information - Nov. 2
2021-2024 Statewide Transportation Improvement Program (STIP)
**NEW**
Highway Needs and Project Analysis Report (Needs Book) 2020 - Interactive Map
- (under pavement management products)
Talk to Us
Stay Connected