The Michigan Department of Transportation (MDOT) continues to adjust spring weight restriction on state roads (I, M and US routes) in an annual move to protect roads.
Effective at 7 a.m. Wednesday, spring weight restrictions will be lifted on all state trunkline highways from the southern Michigan border north to and including US-2/US-141 at the Menominee River bridge west of Iron Mountain, then east on US-2 to St. Ignace, then north on I-75 to M-134, then east to and including M-134 on Drummond Island.
Frost restrictions are still in effect for the remainder of the state and will be imposed and enforced on all state trunkline highways north of US-2 and on M-185 on Mackinac Island and in accordance with Gov. Gretchen Whitmer’s Executive Directive 2025-4.
In the restricted areas, the following will apply:
- On routes designated as “all-season” (designated in green and gold on the MDOT Truck Operators Map), there will be no reduction in legal axle weights.
- All extended permits will be valid for oversize loads in the weight-restricted area on the restricted routes. Single-trip permits will not be issued for any overweight loads or loads exceeding 14 feet in width, 11 axles, and 150 feet in overall length on the restricted routes.
- On routes designated as “seasonal” (designated in solid or dashed red on the MDOT Truck Operators Map), there will be a posted weight reduction of 25 percent for rigid (concrete) pavements and 35 percent for flexible (asphalt) pavements, and maximum speed of 35 mph for some vehicles.
Drivers must follow the speed limits for weight restricted roads, per state law. Go online for speed restrictions for trucks and the rules for propane fuel delivery and public utility vehicles.
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 email alerts.
Trucking companies located in New Jersey and Canada can obtain information by calling 517-373-6256.
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