Maine

Maine interstate GVW limit: 80,000 lbs. State highways allow up to 100,000 lbs with proper axle configuration. Per-axle limits: Single axle 22,400 lbs, Tandem axle 34,000 lbs, Tridem axle 42,000 lbs. Federal bridge formula on interstates; Maine allows higher GVW on state roads with additional axles. Enforcement tolerance: No general tolerance during spring restrictions.

Height: 13 ft 6 in. Width: 8 ft 6 in. Trailer length: 53 ft (semitrailer). Overall combination length: 74 ft combination.

Oversize/overweight permits through MaineDOT online system Fees: Single-trip: $20; Annual: $100. Pennsylvania oversize permits are not directly honored in Maine. You will need to obtain a Maine-specific permit for oversize/overweight loads. Apply online: https://www.maine.gov/mdot/csd/oversizeoverweight/ Enforcement: State Police and MaineDOT enforcement; weigh stations on major routes.

Agricultural: Farm vehicles exempt on state highways when within 25 miles of farm. Timber/Forestry: Timber trucks allowed up to 100,000 lbs on designated haul roads.

Spring weight restrictions (posted roads) from March through May; reduced weights during thaw season. Check with the state DOT for current postings and dates before planning your route.

For the most current weight and size regulations, permit applications, and seasonal restriction updates, visit the official Maine DOT page at https://www.maine.gov/mdot/csd/oversizeoverweight/. Contact the Maine Department of Transportation for specific routing questions.