Massachusetts DOT Regulations for Oversize/Overweight Load Flags/Banners/Signs/Lights, Running Hours and Holiday Restrictions

Running Hours and Holiday Restrictions

All over-dimensional vehicles up to 12' wide with a permit may travel from Monday morning 12:01 A.M. - 12:00 P.M. (Noon) on Saturday except for special exceptions. Vehicles between 12' and 14' wide, over 80' but not exceeding 114' in length and over 13' 11" height may travel under permit only during daylight hours (sunrise and sunset) except no travel is permitted between 7:00 am - 9:00 am and 3:30 pm- 7:00 pm, Monday through Friday. Saturday and Sunday until 12:00 pm (noon). Vehicles over 14' wide, and/or over 115' long may travel between the hours of 9:30 a.m. - 3:30 p.m. and only on Tuesday, Wednesday and Thursday. Travel prohibited on legal holidays.

"Oversized Load" Banner Regulations and Requirements

"OVERSIZE LOAD" signs are required if escort is NOT required. Warning signs are required on the front of oversize loads. Size: 7' long, 18" high Letters Black, 10" high, 1.41" brushstroke Background: yellow

Flag Requirements

Flags must be red and at least 12' square. Mount on extremities and corners, required for over width and overlength vehicles.

Warning Lights: Color and Placement

Vehicles should have two (2) flashing amber lights visible from front and rear.

Source of Information:

Commercial Truck Regulations

https://www.mass.gov/service-details/commercial-truck-regulations

What is considered as "Oversized Load" in Massachusetts?

"DIMENSIONS: Width: 8' 6" Height: 13' 6" (Sumner and Callahan tunnels - 12' 6") Length: Semi-trailer 53' WEIGHTS: Single Axle: 22,400 lb. Tandem axle: 34,000 b. Tridem: 36,000 lb. Max Gross Weight: 80,000 lb.

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