Massachusetts Oversize Load Permit Requirements

Legal truck dimensions, oversize load travel hours, pilot car and escort requirements, and how to order an oversize/overweight permit from MassDOT Highway Division - Oversize/Overweight Truck Permits.

MA, reviewed October 2026

Check your load for Massachusetts

Oversize permit required in Massachusetts

  • Width 10 ft 0 in exceeds the 8 ft 6 in legal limit.

Massachusetts's width-escort thresholds are set in the permit conditions. Confirm with MassDOT Highway Division - Oversize/Overweight Truck Permits.

A truck and load at or under these dimensions can travel Massachusetts highways without an oversize permit. Exceed any one of them and you need a permit before you move.

Massachusetts legal truck dimensions
Legal width8 ft 6 in
Legal heightNot confirmed — check your permit conditions
Legal lengthNot confirmed — check your permit conditions
Gross weightNot confirmed — check your permit conditions

Massachusetts Oversize Load Travel Hours

Daily movement window
Not confirmed — check your permit conditions
Weekend movement
Not confirmed — check your permit conditions
Holiday restrictions
Massachusetts sets holiday blackout times in each permit's conditions. See this year's holiday dates for all states.

Massachusetts Pilot Car Requirements

Not confirmed — check your permit conditions

Massachusetts escort thresholds by dimension
First pilot car (width)Not confirmed: check your permit conditions
Two pilot cars (width)Not confirmed: check your permit conditions
Height-pole escortNot confirmed: check your permit conditions
Length escortNot confirmed: check your permit conditions

Massachusetts pilot car requirements by load width and height.

How to order a Massachusetts oversize permit

MassDOT Highway Division - Oversize/Overweight Truck Permits

Official Massachusetts permit portal

Overweight as well? Check axle limits with the bridge formula calculator.

Massachusetts Oversize Load FAQs

What are the oversize load travel hours in Massachusetts?
Massachusetts sets oversize load movement times in each permit's conditions. Check the permit issued by MassDOT Highway Division - Oversize/Overweight Truck Permits before you roll.
When is a pilot car required in Massachusetts?
Massachusetts lists escort requirements in the permit conditions for each move. Confirm with MassDOT Highway Division - Oversize/Overweight Truck Permits.
What is the legal truck width in Massachusetts?
The standard legal width in Massachusetts is 8 ft 6 in (102 inches), the federal minimum width allowed on the National Network of highways. A load wider than that needs an oversize permit.
How tall can a truck be in Massachusetts without a permit?
Check Massachusetts's current height limit with MassDOT Highway Division - Oversize/Overweight Truck Permits; taller loads need a permit and a surveyed route.
Can oversize loads move on holidays in Massachusetts?
Massachusetts publishes holiday movement restrictions in its permit conditions. Confirm the blackout dates with MassDOT Highway Division - Oversize/Overweight Truck Permits when you order the permit.
How do I get an oversize or overweight permit in Massachusetts?
Apply through MassDOT Highway Division - Oversize/Overweight Truck Permits or its online permit portal. Have your USDOT number, vehicle and load dimensions, axle weights and route ready. Permit expediting agents can file on your behalf if you need the permit the same day.

Regulations change. This page summarises published Massachusetts rules as reviewed October 2026 and is not legal advice; the conditions printed on your permit control. Note: Escort/pilot/police-detail triggers, travel hours and trip permit fees not found on official pages (700 CMR 8.00 covers overweight reducible loads only). Legal 80,000 lb is the federal Interstate limit, not read from the MA page (page defers to permits office). Page says width 8 ft 6 in applies if using tunnels; height 13 ft 6 in; Callahan and Sumner tunnels 12 ft 6 in. Permit office hours Mon-Fri 7-3.