MDOT 2022 Spring Weight Restrictions Bulletin #3

Effective 7:00 am Monday, March 14, 2022 weight restrictions will be imposed and enforced on all state trunk line highways from the Michigan/Indiana & Ohio line north to and including the Mackinac Bridge.

Weight restriction information and updates may be obtained by calling 1-800-787-8960. For companies located in Canada and New Jersey, information may be obtained by calling 517-373-6256.

On routes designated as “All Season Routes” (green and gold on the MDOT Truck Operators Map) there will be no reduction in legal axle weight. On routes designated as “Seasonal” (solid or dashed red on the MDOT Truck Operators Map), there will be a reduction of 25% for rigid pavements and 35% for flexible pavements.

Extended permits will be valid for oversize only in the weight restricted area.

Single trip permits will not be issued for overweight or loads exceeding 14 feet in width, 11 axles and 150 feet in overall length in the weight restricted area.

Detailed weight restriction information may be obtained by linking to Please refer to MDOT Truck Operators Map for route designations.

If you have any questions, please contact Glenn Bukoski at,  or Rachelle VanDeventer at, or call them at the MITA office at 517-347-8336.