Who issues oversize/overweight permits in Maine?

MaineDOT — Motor Carrier Division, Permit Office issues OS/OW permits in Maine. Applications are submitted through the official portal.

When is a route survey required in Maine?

Height exceeds 13'6" — oversize permit required Width exceeds 8'6" — oversize permit required Length exceeds 65' — oversize permit required Gross weight exceeds 80,000 lbs — overweight permit required Width exceeds 14' — route survey required Height exceeds 14' — route survey required

How far in advance should I apply for a permit in Maine?

Plan for a lead time of approximately 5 business days before your move date.

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Maine OS/OW Permit Requirements

United States · MaineDOT — Motor Carrier Division, Permit Office

Everything heavy-haul carriers need to know before moving an oversize or overweight load through Maine: survey triggers, fees, lead times and the official permit portal.

Lead time

5 business days

Base fee

$30 single-trip; $300 annual

Permit validity

Up to 5 days

Route survey triggers

Height
Height exceeds 13'6" — oversize permit required
Width
Width exceeds 8'6" — oversize permit required
Length
Length exceeds 65' — oversize permit required
Weight
Gross weight exceeds 80,000 lbs — overweight permit required
Width
Width exceeds 14' — route survey required
Height
Height exceeds 14' — route survey required

Fee notes

Single-trip $30. Annual $300. Overweight $5 per 1,000 lbs above 100,000. Superload bridge analysis billed at MaineDOT hourly rate.

Official resources

Reference information last verified May 2026. Always confirm current requirements with MaineDOT — Motor Carrier Division, Permit Office.

Surveying a route through Maine?

RoadScope generates Maine-compliant survey reports automatically — the right sections, certifications and documentation for MaineDOT — Motor Carrier Division, Permit Office.

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