Effective Monday, April 18, weight restrictions will be lifted on all state trunkline highways in the entire state of Michigan.

Truck on a road in the evening
ThinkStock; BIG_TAU

State trunkline highways typically carry M, I, or US designations.

For weight restriction information and updates, call 800-787-8960, or you can access this information on MDOT's website at www.michigan.gov/truckers, under "Restrictions." All-season routes are designated in green and gold on the MDOT Truck Operators Map, which is available online. You also may sign up to receive e-mail alerts.

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