Spring Weight Restrictions

Spring Weight Restrictions

Effective 6 a.m. Friday, Feb. 2, weight restrictions will be imposed and enforced on all state trunkline highways for the entire state of Michigan.

State trunkline highways typically carry M, I, or US designations. Weight restriction information and updates may be obtained by calling 1-800-787-8960. For companies located in Canada or New Jersey, information may be obtained by calling 517-335-0023.

  • On routes designated as “All Season Routes” (green or 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 weight reduction of 25% for rigid pavements and 35% for flexible pavements.

Spring Weight Restrictions Map