Massachusetts oversize permit office
MassDOT Highway Division - Oversize / Overweight Truck Permits (MassDOT Truck Permit Office, Weston). Call (857) 368-3690, Mon-Fri 7 a.m. - 3 p.m. Eastern time.
From Massachusetts's own pages, checked 2026-10-24. Fees and rules change: the state's page is the last word.
- How to get one
- Create an account and request the permit online in MassDOT's OASIS system.
- Single trip fee
- Irreducible Load Permit Exceeding Any Legal Limit for Size and Weight: $40.00 - Per Trip ($400.00 - Annually); Super Load Weight >130,000 pounds: $300.00 - Single Trip; Reducible Load Permit: $50.00 per every 1,000 pounds exceeding the Federal Bridge FormulaSource
- Legal without a permit
- Width 8 ft. 6 in. · Height 13 ft. 6 in. · Length Semi-trailer 53 feet · Weight 80,000 pounds (vehicles with three or more axles)Source
- Superloads
- Loads over 130,000 pounds are superloads; they need detailed engineering calculations and cost $300.00 per single trip.Source
When you can move
- Weekends
- On state highways you may travel from 12:01 a.m. Monday to noon Saturday, and from 12:01 a.m. to noon on Sunday.
- Holidays
- New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day. No moves on any of these days; for New Year's Day, Independence Day and Christmas, no moves from noon the day before to noon the day after. Next datesSource
- Rush-hour curfews
- 3 in Massachusetts, such as Mass Pike, Interchange 11A (Westborough) to Interchange 24 (Boston): Permits not normally issued eastbound 7-10 a.m. or westbound 3-7 p.m. All of them