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About us
About us
MDOT is responsible for Michigan’s nearly 10,000-mile state highway system, comprised of all M, I, and US-routes. It is the backbone of Michigan’s 120,000-mile highway, road and street network.
The state owns over 4,700 highway, railroad and pedestrian bridges, 665 miles of railroad track, roughly 2,700 miles of nonmotorized trails, and four airports. Additionally, MDOT administers state and federal transportation programs for aviation, intercity passenger services, rail freight, and local public transit services.
Meet MDOT's leadership
MDOT regions
MDOT's seven region offices each handle transportation-related construction, maintenance and programs within the region's geographic boundaries.
Policies
Policies help the department implement its mission of serving and connecting people, communities, and the economy through transportation.
Governmental Affairs
Governmental Affairs represents MDOT's interests as new or amendatory legislation is developed or moving through the legislative process.
Commissions and councils
Commissions and councils provide a public forum for policy development and implementation.