Massachusetts Axle Weight Limits

Axle Weight Regulations By State

Maximum Legal Weight Allowed

Your truck requires a permit if it exceeds:

  • Motor vehicle (2 axles) – 46,000 lbs.
  • Vehicle or vehicle combination (3 axles) – 73,000 lbs.
  • Vehicle or vehicle combinations (4 axles) – 87,000 lbs.
  • Vehicle or vehicle combinations (5+ axles) – 99,000 lbs.

Your truck will also require a permit if the weight on any axle exceeds:

  • Axles spaced less than 6 ft. apart – 18,000 lbs.
  • Axles spaced more than 6 ft. apart – 22,400 lbs.
  • Overall gross weight of 2 or more consecutive axles – 80,000 lbs.

Maximum Permit Weight Allowed

Special Hauling Permit

You may need a special hauling permit depending on the size of your truck and its load. If your vehicle falls under these restrictions, then your permit will not require a fee:

  • 12′ 0″ Wide Load Banner & Flags
  • 13′ 6″ Height
  • 99,000 lbs. max
  • 100′ Long (up to 80′ long no escort is needed)

If your vehicle exceeds the above restrictions, it may also require a police escort. If your vehicle exceeds any of these restrictions, you will have to pay a fee.

Requirements for vehicles over 80′ long:

  • one private escort is required for vehicles from 80’1″ to 85′
  • two private escorts are required for vehicles from 85’1″ to 100′

Requirements for vehicles traveling in the tunnels:

  • wide loads from 8’6″ to 12′ must have private escort(s)

Fees for Requesting a Special Hauling Permit

  • Special Hauling Permit (Within Restrictions) – $0 each unit
  • Special Hauling Permit (Exceeds Restrictions) – $350 each unit

Source of information:

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Below is a list of states and their axle weight limits

Click on the states below for links to the state's guidelines for for axle weight limits for commercial vehicles / heavy haul shipping. These regulations are subject to change for each state. If something doesn't look correct, give us a shout and let us know so we can property update the page.


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