South Dakota
Department of Transportation
contact us
Transportation
Aviation
About Office of Aeronautics Services
Office of Aeronautics Services
Airport 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
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
Forms, Policies, and Publications
Railroads
About the Office of Railroads
Railroad Grant Projects and Maps
Current Rail System and Operators
Forms and Applications
State Rail Plans
Highway Rail Safety
Operation Lifesaver
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
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)
Studies
Special Studies
SDDOT Innovation
Highway Safety
Public Meetings
Public Meetings
Construction Projects
Statewide Construction Project Information
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
Illegal Signage
Programs
Adopt-A-Highway
Memorials on State Highways (THINK signs)
Audits
Property Sales
Map Orders
Research
Scenic Byways
SDDOT TRAC Program
Transportation Alternatives
Travelers
Travelers
Bicycle/Pedestrian
Rest Area/Ports of Entry
Road Construction/Travel Conditions
Spring Load Restrictions
Statewide Construction Project Information
Sturgis Rally Travel Information FAQ
Truckers
Winter Travel Alerts & Road Condition Information
Road Condition and Construction Info
Inside SDDOT
About SDDOT
Aeronautics Commission
Careers at the SDDOT
Careers - SDDOT Scholarships
Divisions
Mission & Vision
Organizational Chart
Transportation Commission
Railroad Board and Railroad Authority
SD Administrative Rules
SD Codified Law
SDDOT Strategic Plan
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
Region & Area Offices
Region and Area Offices
Aberdeen
Mitchell
Pierre
Rapid City
Maintenance Unit Map (Region/Area)
Of Interest
Buckle Up Phone Down (https://sdbupd.org/)
SDDOT Snowplow Naming Contest
Work Zone Awareness
2024 Graduates
Other State DOTs
SD511.org Traveler Information
Forms & Publications
Bid Letting Contractors
Maps & GIS
Public Meetings
Careers
How Do I?
Get Airport Information
Get to SD 511
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
›
View Press Release Archive
Temporary Off-Ramp Closure Scheduled on Interstate 90 at Exit 379 (Humboldt)
At approximately 9 a.m. on Thursday, Nov. 7, 2024, a temporary off-ramp closure is scheduled on Interstate 90 at exit 379 (Humboldt).
Read More
SDDOT Seeks Public Input on Traffic Study in Spearfish
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house to discuss and receive public input on a recently completed traffic study for the area of Old U.S. Highway 14, Interstate 90 (exit 10), and North Avenue in Spearfish. The public meeting open house is scheduled for Tuesday, Nov. 19, 2024, at the Spearfish School District Career and Technical Education Center.
Read More
Pre-Construction Informational Meeting Scheduled in Rapid City for Next Phases of U.S. Highway 385 Project
The South Dakota Department of Transportation (SDDOT) will hold a pre-construction informational meeting to share details about the next phase of the U.S. Highway 385 construction project. The meeting will be held on Thursday, Nov. 21, 2024, from 5-7 p.m. (MT) at Rimrock Church, located at 12200 S.D. Highway 44 in Rapid City.
Read More
View Press Release Archive
Featured Resources
Condensed External Winter Highway Maintenance Plan
Full External Winter Highway Maintenance Plan
View Statewide Construction Project Information
Sign Up for Project Update Text Notifications
2025-2028 Statewide Transportation Improvement Program (STIP)
Learn about the South Dakota EV Fast Charging Plan
Highway Needs and Project Analysis Report (Needs Book) 2022 - Interactive Map
- (under pavement management products)
COMMONLY ASKED QUESTIONS:
Motor Vehicle Registration and Licensing:
SD Department of Revenue
Driver Licensing:
SD Department of Public Safety
Commercial Driver Licensing (CDL):
SD Department of Public Safety
Map of Region and Area Boundaries
Contact info
South Dakota Official State Homepage:
Request Public Records
Talk to Us
Stay Connected
Blog
›
2024 South Dakota Strategic Highway Safety Plan (SHSP)
The 2024 South Dakota Strategic Highway Safety Plan (SHSP) details a vision for highway safety in South Dakota and outlines interim objectives to progress toward a safer transportation system. Throughout the Plan, there are many informative graphics that help illustrate the importance of highway safety.
Read More
Make our Roads Safer: We challenge you. Buckle Up, Phone Down!
Wednesday, Oct. 30, 2024, is Buckle Up Phone Down Day! South Dakota is one of 28 states that participate in the Buckle Up Phone Down (BUPD) safety campaign. The Buckle Up Phone Down challenge is simple: when you get into any vehicle, buckle up your seatbelt. If you are a driver, put the cell phone down. Turn it off if you have to. Every trip, every time!
Read More
Driver and fuel data reveal the best freight corridors nationwide
The northernmost east-west and westernmost north-south freight corridors are among the most friendly paths for truck drivers, according to new rankings released by Trucker Path, which focuses on driver, broker, and fleet management solutions.
Read More
Move Over, It’s the Law
South Dakota’s Move Over law requires travelers to move over and/or slow down when a stopped vehicle is in use of amber, yellow, or blue warning lights.
Read More