New Mexico Oversize Load Regulations & Transport Guide
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.
New Mexico DOT Ph#: 505-476-2475
For companies specializing in heavy haul oversized transport or machinery hauling services, understanding New Mexico’s oversize load safety regulations is essential for compliant operations. Here’s what you need to know:
Permit Information
- Permit Validity: Oversize permits valid for 5 days.
- Available at Ports of Entry: For loads not requiring bridge checks.
- Single-trip Permits: Required for most oversized movements.
- Special Provisions: Available for heavy equipment oversize shipping.
Operating Hours & Travel Flexibility
- Standard Movement: ½ hour before sunrise to ½ hour after sunset (Mon-Sat).
- Continuous Travel: Allowed for:
- Overweight-only loads.
- Loads ≤10′ wide, ≤14’6″ high, ≤120′ long, ≤140,000 lbs.
Restricted Travel Areas
Urban Curfews:
- Albuquerque/Santa Fe/Espanola: 7-9 AM & 4-6 PM.
- Santa Fe: Additional restriction from 11:30 AM-1:30 PM (except SR599).
Weather Restrictions:
- No travel: When visibility <1000′ or winds >25 mph.
Holiday Closures:
- Typically begin at noon preceding day.
Legal dimensions for heavy haul trucks
Length:
- 57’6″: On designated highways.
- 65′: Overall on other roads.
- Overhang: 7′ rear max.
Width:
- 8’6″: Standard width.
Height:
- 14′: Maximum height.
Weight Limits:
- Gross: 80,000 lbs.
- Single axle: 21,600 lbs.
- Tandem: 34,320-39,000 lbs.
- Tridem: Varies by spacing.
Routine Permit Limits
- Length/Width/Height: Route-dependent.
- 15’6″: Route survey required.
- 18′: Utility surveys + local approvals needed.
- Weight:
- 5 axles: 105,000 lbs.
- 6 axles: 119,000 lbs.
- 7 axles: 127,000 lbs.
- Special Tandem Classification: For 10’+ spreads.
Escort Requirements
Escort Services by Route Type:
- Length:
- 90′: 1 escort.
- 110′: 2 escorts.
- Width:
- 14′: 1 escort (some routes require at >12′).
- 20′: Police escort + flagman.
- Height:
- 16′: 1 escort + route survey.
Special Equipment Requirements
- Bulldozer Transport:
- Blades >14′ wide must be detached.
- Proper support required for attached blades.
- Mirror extensions required for wide loads.
- Attachment policies for buckets/counterweights.
Safety regulations for transporting oversized loads
- Signage: “Oversize/Wide Load” signs front and rear.
- Markings:
- 12″ red flags on all corners.
- Additional flags for projections.
- Lighting:
- Optional amber beacon for loads >12′ wide.
- Route planning Considerations:
- Urban curfews.
- Weather conditions.
- Bridge clearances.