Michigan Trucking Laws

The Federal Motor Carrier Safety Regulations (Title 49, Parts 350-399) govern all vehicles engaged in interstate traffic.

There are some situations where a tractor-trailer or other commercial motor vehicle is involved in only intrastate travel. For example, an appliance store in Holland may own a truck that only makes in-state deliveries.

The Michigan Department of Public Safety has adopted Title 49, Parts 382-384 and 390-399 of the federal regulations.

The following provisions are an overview of Michigan laws that affect trucks operating only in Michigan:

Driver Qualification

Michigan has adopted Part 391 with a few modifications. Farm vehicle drivers are to have a medical examiner’s certificate.

A commercial driver must be at least 18 years old, and must be at least 21 if transporting hazardous materials.

A person who is not physically qualified to drive under Sec. 391.41 may apply for a waiver. A joint application from the driver and motor carrier needs to be made to the motor carrier division of the department of state police.

Parts and Accessories

Michigan has adopted Part 393 of the Federal Regulations in its entirety. An asphalt hauling vehicle that is required to be equipped with an under-ride guard under this section is exempt from the requirement if the under-ride guard prevents the vehicle from being attached to an asphalt paving machine.

Vehicle Marking/Identification

Michigan has adopted Sec. 390.21 of the Federal Regulations. All motor trucks or truck tractors more than 5,000 pounds registered weight, and all towing of platform bed wrecker road service vehicles, must have the vehicle marked with the name, city, and state or the registered logo or emblem of the registered owner or lessee of the vehicle.

Crash reports are available from:

Department of State Police
Criminal Justice Information Center
7150 Harris Dr.
Lansing, MI 48913
(517) 322-5531

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