Maine Oversize Permits are valid for 7 days. Driver must have a Maine DOT permit prior to entering the state.
One-half hour before sunrise to one-half hour after sunset, 7 days a week; except no travel on weekends in the months of July and August. Overweight-only loads are permitted to travel at any time of day.
No travel on major holidays or some holiday weekends.
TURNPIKE: Loads limited to 13’6 high, 14’6 wide. Travel is allowed one-half hour before sunrise to one-half hour after sunset.
Interstate routes - 65 mph. Non-interstate routes - 60 mph. Unless otherwise specified on permit or road signs.
The vehicle must have the following characteristics:
Tractor must be registered for 90,000 pounds to permit for overweight up to 90,000, or register for 100,000 maximum to permit over 90,000.
Loads exceeding these dimensions are treated as superloads.
“Oversize Load” signs and flags required for all overwidth and overlength permit loads. Signs should be mounted at the front bumper and at the rear of the load. Flags (18″ x 18″) should be mounted at corners of load and widest extremities. Over 4′ rear overhang must be flagged (two flags if the overhang is more than 2′ wide). Run with headlights on low beam (not required if overweight only), and flashing, rotating amber light or light bar on top of the cab. Movement when not oversized requires that load signs be removed or covered and that amber beacon lights be extinguished. All over-dimension moves require headlights on low beam, and flashing, rotary or amber lights on top of the cab.