South Dakota Highways Division

The South Dakota Department of Transportation (SDDOT) is committed to ensuring safe and efficient transportation across the state through comprehensive planning, development, and management of highways, bridges, railroads, and aviation services. The agency oversees a range of programs including highway safety, public transit, environmental assessments, and infrastructure improvements to enhance mobility for all residents and visitors.

In addition to maintaining transportation systems, SDDOT actively engages with local governments and communities to promote economic development and sustainability. The department also provides resources and opportunities for public participation in transportation planning, fostering transparency and collaboration in decision-making processes.

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