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Michigan Department of Transportation


Michigan Department of Transportation


Director Brad Wieferich in personal protective equipment.

Road Work Patience

Watch MDOT's newest video of Director Wieferich asking for patience as active work zones increase statewide. 

Crews working on the concrete decking of the Mackinac Bridge.

Mackinac Bridge Lane Closures

The Mackinac Bridge has lane closures. Consider crossing at off-peak times or prepare for delays.

An MDOT engineer oversees an I-96 project over the Grand River and Billwood Highway in Eaton County.

2024 Construction Projects

Learn about upcoming major road & bridge construction projects on I, M, and US routes.

Political voting sign graphic.

Political Sign Guidelines

Improperly placed signs can create safety and vision hazards. Learn the rules for placement of political signs on state roads.

Latest News

Upcoming MDOT Events

Director Bradley Wieferich speaks at Michigan kick-off event for National Work Zone Awareness Week.

MDOT Director

"Through collaboration and innovation, Michigan will deliver a well-maintained and sustainably funded network where strategic investments are made in mobility options that improve quality of life, support public health, and promote resiliency."

Bradley C. Wieferich, P.E.

Talking Michigan Transportation

The Talking Michigan Transportation podcast features conversations with transportation experts inside and outside MDOT and will touch on anything and everything related to mobility, including rail, transit and the development of connected and automated vehicles.


Graphic displaying Michigan's weekly road fatality numbers.

Toward Zero Deaths

With more than 42,000 fatalities occurring on U.S. highways each year, roadway safety remains one of the most challenging issues facing Michigan and the nation. TZD is intended to change driver behavior through education. 

Toward Zero Deaths