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About us

A red MDOT work truck with the department logo on the door.
Department of Transportation

About us

Who we are. What we do. What we stand for.

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 122,000-mile highway, road and street network.

The state owns over 4,800 highway, railroad and pedestrian bridges, 665 miles of railroad track, roughly 2,700 miles of nonmotorized trails, and three airports. Additionally, MDOT administers state and federal transportation programs for aviation, intercity passenger services, rail freight, and local public transit services.

Mission

Serving and connecting people, communities, and the economy through transportation.

MDOT Strategic Plan

Vision

To provide people with a safe, future-driven, interconnected multimodal transportation network that ensures equitable options.

Values

Visionary - Ensuring Positive Outcomes -People First - Professional Excellence - Diversity, Equity, and Inclusion - Character and Integrity

Connect with us

  • Murray D. Van Wagoner Transportation Building

    Contact us

    With more than 2,800 employees, seven regions, 22 transportation service centers, and 47 additional facilities, MDOT is a large agency. We are here to help you find answers to your questions.

  • Grand Region Special Crews surrounded by MDOT trucks and maintenance vehicles.

    MDOT organization

    Public Act (PA) 370 provides for public electronic access to information about MDOT's organization (including charts), functions of our major bureaus and offices, and contact information.

  • An MDOT Grand Region engineer takes measurements in a work zone.

    Career opportunities

    MDOT employs a diverse group of talented and innovative individuals. Find full-time, seasonal, veteran and student positions in a wide variety of professions. Build your career with us!

Meet MDOT leadership

Bradley Wieferich, P.E.

Director

Paul J. McDonald

Chief Administrative Officer

Gregg Brunner, P.E.

Chief Operations Officer

Terri D. Slaughter

Chief Strategic Impact Officer

Get to know MDOT

  • Official Guide to MDOT

  • MDOT Fast Facts

  • Road terms and definitions

Serving the public

Learn more about MDOT's governance, policies and regional coordination.

  • 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.

  • Government Relations

    The Office of Policy and Government Relations 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.