MDOT - DTMB

Spring Weight Restriction Bulletins

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Title: Spring Weight Restriction Bulletin #4

Date: 04/15/2024

- Effective 6 a.m. Monday, April 15, the Michigan Department of Transportation (MDOT) will lift seasonal weight restrictions on all state trunkline highways in the entire state of Michigan. State routes typically carry M, I, or US designations.

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.

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

Single trip permits will not be issued for overweight loads 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 www.michigan.gov/truckers.

Please refer to the MDOT Truck Operator's Map for route designations.

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Title: Spring Weight Restriction Bulletin #3

Date: 04/01/2024

Effective 6:00 a.m. on Monday, April 1, 2024, 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.

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.

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

Single trip permits will not be issued for overweight loads 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 www.michigan.gov/truckers.

Please refer to the MDOT Truck Operator's Map for route designations.

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Title: Spring Weight Restriction Bulletin #2

Date: 02/16/2024

Effective 6:00 a.m. on Friday, February 16, 2024, 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. 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.

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.

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

Single trip permits will not be issued for overweight loads 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 www.michigan.gov/truckers.

Please refer to the MDOT Truck Operator's Map for route designations.

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Title: Spring Weight Restriction Bulletin #1

Date: 02/02/2024

Effective Friday, February 2nd, 2024, 6 a.m., weight restrictions will be imposed and enforced on all state trunkline highways for the entire state of Michigan, including the upper peninsula.

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.

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

Single trip permits will not be issued for overweight loads 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 www.michigan.gov/truckers.

Please refer to the MDOT Truck Operator's Map for route designations.

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