Effective ½ hour before sunrise on March 8th, 2017 weight restrictions will be lifted from the southern Michigan border north to and including US-12 at the Michigan/Indiana border east to I-94 in Berrien County then north and east to I-69 in Calhoun County then north on I-69 to Lansing and continuing on I-69 east to Port Huron, St. Clair County. 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 the US-12, I-94, I-69 line.
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 517-373- 6256.
Click here to view MDOT Spring Weight Restriction Bulletins.
To check the status of any current restrictions on county jurisdiction roads click here.