South DakotaDepartment of Transportation

Aviation

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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

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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 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

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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

Public Meetings

Construction Projects

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

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Programs

Adopt-A-Highway Memorials on State Highways (THINK signs) Audits Property Sales Map Orders Research Scenic Byways Transportation Alternatives

Travelers

Bicycle/Pedestrian Rest Area/Ports of Entry Road Construction/Travel Conditions Spring Load Restrictions Sturgis Rally Travel Information FAQ Truckers Winter Travel Alerts & Road Condition Information

Inside SDDOT

About SDDOT

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Forms & Publications

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SDDOT Engagement Opportunities

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Region & Area Offices

Region and Area Offices Aberdeen Mitchell Pierre Rapid City Maintenance Unit Map (Region/Area)

Of Interest

Buckle Up Phone Down SDDOT Snowplow Naming Contest Work Zone Awareness 2024 Graduates Other State DOTs

Snow way it’s staying on the highway, how the plows predict the future

Click to watch the KOTA story

South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501

605-773-3265 (voice) 605-773-6214 (fax) Contact Us

Region & Area Offices

Region and Area Offices Aberdeen Mitchell Pierre Rapid City Maintenance Unit Map (Region/Area)

DOT Intranet

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Travelers

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South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501

605-773-3265 (voice) 605-773-6214 (fax) Contact Us

Snow way it’s staying on the highway, how the plows predict the future

© 2025 State of South Dakota. All Rights Reserved.

Region & Area Offices

Travelers

Forms & Publications

© 2025 State of South Dakota. All Rights Reserved.