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Projects & Studies

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

Projects & Studies

Major road and bridge construction projects can last several months or longer, and may involve significant delays. MDOT is responsible for all state-owned roads/highways with an M, I, or US designation (ex: I-94, M-21, US-23).

These lists are not all inclusive. For the most up-to-date information regarding daily lane closures, traffic cameras, and incidents, visit

Know Before You Go!

Check Mi Drive for the most up-to-date construction and traffic information.

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I-475 and M-21 corridor study in Flint.


MDOT studies determine project need and impact. This provides information for the general public such as the meetings that are scheduled and the reports generated by each study.


Major Road & Bridge Projects

I-69 Bridge demolition

Rebuilding Michigan

A program focused on the state highways and bridges that are critical to the state's economy and carry the most traffic.

Rebuilding Michigan
HMA paving in I-69 Lapeer County

Five-Year Transportation Program

Funding picture, performance measures, and region projects planned for the next five years. 

Five-Year Program
Barrel on the US-10 Clare construction project.

Work Zone Safety

Michigan is serious about the safety of vulnerable workers and motorists, so slow down and give work zones your full attention.

Work Zone Safety