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Truckers

A semi truck traveling westbound I-196 in Allegan County.
Department of Transportation

Truckers

The cover of the Michigan Truck Operators Map showing a semi truck on a Michigan freeway at sunrise.

Trucking and our transportation network

To protect both infrastructure and motorists, our truckers page details the rules, guidelines, restrictions, and permits for safe transport across Michigan.

MDOT Truck Operators Map


MDOT's Truck Operators Map shows the current all-season and seasonal truck routes.

User guides

Single trip permit

Extended trip permit

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For general permit questions, contact 517-241-8999 and select option 2.

M-231 road and bridge in Ottawa County.
I-96 at Pleasant Valley Road bridge hit.

Permits are required for objects or vehicles over 13' 6" in height

Vehicle-bridge collisions result in serious injuries, significant property damage, and major congestion problems. It is important to know the height of your load. If you have questions or need assistance, contact your local county road commission or MDOT Permits Unit at 517-241-8999.

Know the height of your load poster

Trucker information