Maine Overweight/Oversize Permits

Maine Overweight PermitsPermit Types

Obtain Maine oversize/overweight permits by calling (888) 799-8858.

1. Single-/Round-Trip Permits

Valid for 7 days. You must have a permit prior to entering the state.

  • Single Trip Oversize/Overweight Permit
  • Oversize/Overweight Return Permit
  • 5 Axle Crane with or without a Dolly
  • 5 Axle Crane with or without a Dolly and Return
  • Canadian Weight Limit
2. Multiple Trip Permits

Valid for 7 days.

3. Long Term Permits (1-12 months)
  • Oversize – Max 11’6″ wide.
  • Overweight – Max 120,000 lbs. on 6 or more axles.
  • Oversize/Overweight – Max 75’ long, 11’6″ wide, 13’6″ high, 120,000 lbs. on 6 or more axles.
  • Tree Length Logs – Max 80’ long, 80,000 lbs. on 5 axles or 100,000 lbs. on 6 or more axles.
  • Heavy Duty Recovery Vehicle – Max 79,350 lbs. for 4 axle straight trucks or 92,000 lbs. on 5 axles.
4. Ocean Going Container

Valid for 1 year. Max 65’ long, 93,000 lbs. on 5 axles or 100,000 lbs. on 6 axles.

Operation Time

Hauling oversize or overweight loads may occur from one-half hour before sunrise to one-half hour after sunset, seven days a week. However, travel is prohibited on weekends in the months of July and August.

You can also obtain any trip and fuel permits you may need with our sister site!


Height 13’6″ (Loads may exceed this limit by 6″, for a legal loaded height of 14’, as long as the load is not reducible and not traveling on Maine Turnpike).
Weight 80,000 lbs. gross
  • Single – 20,000 lbs.
  • Tandem – 34,000 lbs.
  • Tridem – 42,000 lbs.
Length Straight Trucks – 45’

53’ semi-trailer on Interstate

74’ overall length on Interstate

48’ trailer

69’ overall length on other highways.

The maximum legal length of vehicles and loads traveling more than 1 mile beyond the National Network is 74’.

Width 8’6″
Overhang 74’ overall length maximum.



Length Width Height Weight
125’ 16’ 16’
  • Single – 25,000 lbs.
  • Tandem – 50,000 lbs.
  • Tridem – 75,000 lbs.

Tractors must register for 90,000 lbs. to permit for overweight loads up to 90,000 lbs., or register for 100,000 lbs. maximum to permit over 90,000 lbs.

Loads exceeding these dimensions are treated as superloads.


Escort/Pilot Car Requirements

Height Width Length
Over 16’ – 1 front escort with a high pole
  • 12’-16’ – 1 escort
  • Nighttime moves of timber harvesting equipment not exceeding 11’6″ inches – 2 escorts
  • 16’-20’ – 1 escort and 1 police escort
  • 20’ or more – 2 police escorts
  • 80’-125’ – 1 escort
  • Nighttime moves of timber harvesting equipment not exceeding 75’ – 2 escorts
  • 125’-150’ – 1 police escort
  • 125’ or more – 2 police escorts



“Oversize Load” signs and flags are required for all overwidth and overlength permit loads. Signs should be mounted on the front bumper and at the rear of the load. Flags (18′′ x 18′′) should be placed at the load’s corners and widest extremities. A rear overhang of more than 4′ must be flagged (two flags if the overhang is more than 2′ wide). Run with the headlights on low beam (not required if overweight-only), and a 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 overdimensional moves require headlights on low beam and flashing, rotary, or amber lights on top of the cab.


Lewiston and Augusta – Travel is prohibited during inclement weather and between the hours of 7:00 a.m.– 9:00 a.m. and 4:00 p.m.–6:00 p.m. A local permit is required to travel through Augusta. Travel is not allowed on major holidays or some holiday weekends. Loads on Maine Turnpike are limited to 14’6″ wide and 13’6″ tall.

Maine allows oversize/overweight loads to travel from Monday to Friday at noon. Oversize loads may not travel on the Turnpike on Friday afternoons, Saturday or Sunday. Tolls/permits are $10 for overwidth loads or loads over 70’ long, payable at the gate. The Turnpike part of the route is included in Maine overdimensional permits, but the $10 fee is paid by the driver at the gate. Turnpike telephone: (800) 698-7747.