Massachusetts Oversize Permits are valid for 5 days. Driver must have a DOT permit prior to entering the state.
Travel is allowed Monday 12:01 a.m. through noon on Saturday and on Sunday from 12:01 a.m. until noon. Vehicles between 12′ and 14′ wide, over 13’11” in height, and between 80′ and 114′ long are only permitted to travel sunrise to sunset Monday through Friday except no travel will be allowed between 7:00 a.m. – 9:00 a.m. or between 3:30 p.m. – 7:00 p.m. Loads over 14′ wide and/or over 115′ in length are allowed to travel from 9:30 a.m. – 3:30 p.m. Tuesday through Thursday.
No travel on major holidays, and some holiday weekends. Routes 95 and 93 in the Boston area are restricted to travel only between 9:30 a.m. to 3:30 p.m.
Massachusetts Turnpike: Between NY line and I-95, no permit is required up to 10′ wide, legal weight, and up to 80′ long. Turnpike permits are issued for vehicles and loads up to 12′ wide, 13’9″ high, 80′ long, and up to 99,000 pounds. (Lower limits apply to the Sumner, Callahan and Ted Williams Tunnels in the Boston area.) Permits to exceed these dimensions on the Turnpike require special engineering approval plus a $350.00 fee. Vehicles/loads over 12′ wide, over 100′ long or over 130,000 gross requires a police escort. The Turnpike phone number is: 781-431-5148.
Maximum posted limits unless otherwise specified on permit.
The vehicle must have the following characteristics:
Loads exceeding these dimensions are treated as super loads. Over 130,000 pounds gross requires engineering company survey of structures.
*Note: the maximum superload within Massachusetts is 16 feet.
*Note: On Massachusetts Turnpike, over 12′ wide, over 100′ long or over 130,000 pounds gross requires a police escort. On Cape Cod, if the width is over 12′ – 1 escort pilot car and State Police escort.
“Oversize Load” sign required on the rear of an oversize vehicle that does not require an escort. Mount red flags on extremities and corners for any over width or over length vehicle. For all over dimensional loads, made during hours of darkness, a flashing amber light shall be in operation above the highest point of the vehicle and visible from the front and rear of the vehicle.