Maine Oversize Load Regulations: A Complete Guide for Heavy Haulers
Important: We are not a permit service and we do not arrange permits for carriers. All information provided below is for informational purposes only. Always read permits and provisions carefully as we cannot guarantee the accuracy of information provided below.
Maine DOT Ph#: 207-624-9000 ext 52134
Navigating Maine’s scenic roads with Heavy Haul Oversized Transport requires careful planning and compliance with state regulations. Whether you’re handling Oversize Equipment Transport or Heavy Equipment Oversize Shipping, understanding Maine’s Oversize Permits and Escort Requirements is essential for smooth operations.
Permit Details & Operating Hours
- Maine Oversize Permits: Valid for 7 days and must be obtained before entering the state.
- Operating window: 30 minutes before sunrise to 30 minutes after sunset.
- Weekend restrictions: No oversize travel allowed during July and August weekends.
- Single-Trip Permits: Required for all oversized movements.
Restricted Travel Areas & Times
- Lewiston & Augusta: No travel during rush hours (7:00 AM – 9:00 AM and 4:00 PM – 6:00 PM).
- Augusta: Requires a local permit.
- No travel: On major holidays or holiday weekends.
- Inclement weather: Travel prohibited in restricted areas.
Maine Turnpike Regulations
- Maximum dimensions: 13′-6″ height, 14′-6″ width.
- Operating window: Daylight hours only, Monday-Friday (no Friday afternoons or weekends).
- Permit fee: $10 for over-width or over 70′ long (paid at toll gate).
- Phone: (207) 871-7771.
Legal & Routine Permit Dimensions
Standard Legal Dimensions (No Permit Required)
- Length:
- 53′ semi-trailer: (74′ overall) on Interstates/designated highways.
- 48′ trailer: (69′ overall) on other roads.
- Overhang: Must maintain 74′ maximum overall length.
- Width: 8′-6″.
- Height: 13′-6″ (may exceed by 6″ if load isn’t reducible).
- Weight Limits:
- Gross: 80,000 lbs.
- Single: 20,000 lbs.
- Tandem: 34,000 lbs.
- Tridem: 42,000 lbs.
Routine Permit Limits
- Length: Up to 125′.
- Width: Up to 16′.
- Height: Up to 16′.
- Weight Limits:
- Single: 20,000 lbs.
- Tandem: 52,000 lbs.
- Tridem: 75,000 lbs.
- Quad: 100,000 lbs.
- Registration Requirements:
- 90,000 lbs: Registration for weights up to 90,000 lbs.
- 100,000 lbs: Registration for heavier loads.
- Super Loads: Exceed routine permit dimensions.
Escort Requirements for Oversize Loads
Length Requirements
- 80′-125′: 1 escort.
- Over 125′: Police escort required.
Width Requirements
- Over 12′: 1 escort.
- Over 16′: Police escort may be required.
Height Requirements
- Pilot car or police escort: May be required for “extreme” heights.
Special Provisions & Safety Requirements
Construction Equipment
- Blades/buckets may remain attached (if removed, must be on separate trailer).
Signage & Marking
- “Oversize Load” signs required for over-width/over-length loads.
- 18″ square flags: Required at all corners and widest points.
- Rear overhang >4′: Requires flags (2 flags if overhang >2′ wide).
Lighting Requirements
- Low-beam headlights required.
- Flashing amber light/light bar required on cab.
- Signs/lights must be removed when not actively moving oversize loads.
Key Considerations for Heavy Haulers
- Route Planning for Overweight Vehicles: Critical in Maine’s rural terrain.
- Heavy Load Compliance: Requires proper vehicle registration.
- Oversize Load Safety Regulations: Mandate proper lighting and marking.
- Specialized Transport Services: May be needed for super loads.
- Logistics for Heavy Haul: Should account for seasonal restrictions.