---
title: New Mexico Oversize & Overweight Permits (OS/OW) | NMDOT Superload | Alpine Truck Service
description: Expedited New Mexico NMDOT oversize permits, Permian Basin routing, Albuquerque curfews, and NMSP escorts across I-40, I-10, and I-25. Call (918) 607-6547.
image: https://www.alpinetruckservice.com/alpine-third-party-charges.webp
---

# New Mexico Oversize, Overweight & Superload Permitting Services

Comprehensive commercial trucking permits and heavy haul compliance across New Mexico.

## Agency & Permitting Authority
- **Agency**: New Mexico Department of Transportation (NMDOT) / MVD
- **Portal**: NMDOT Oversize Permitting Portal
- **Regulatory Advisory**: State DOT regulations and permit processing queues are determined by individual state transportation authorities and vary by agency workload. Carriers should verify active route advisories and state requirements prior to movement.

## Legal vs. Routine Permitted Dimensions
- **Legal Width**: 8' 6" | **Max Routine**: 18' 0"
- **Legal Height**: 14' 0" | **Max Routine**: 16' 6"
- **Legal Length**: 57' 6" Semi-Trailer / 65' Overall | **Max Routine**: 140' 0"
- **Legal Gross Weight**: 80,000 lbs (up to 86,400 lbs on designated state network) | **Max Routine**: 170,000 lbs
- **Axle Limits**: Single: 21,600 lbs, Tandem: 34,200 lbs, Tridem: 42,000 lbs

## Permitting Scope & Services in New Mexico
- **Routine Oversize (OS) Cab-Cards**: Single-trip authorizations for dimensions exceeding 8' 6" width or 14' 0" height.
- **Overweight (OW) Axle Permits**: Overload cab-cards for heavy machinery and configurations exceeding 80,000 lbs GVW.
- **Multi-Axle Superload Permits**: Specialized filings exceeding Over 170,000, including State DOT and certified partner bridge reviews, route surveys, and police escorts.
- **Annual & Blanket Fleet Permits**: Continuous-operation annual highway authorizations for construction fleets.
- **Temporary Trip & Fuel Permits**: 72-hour IRP vehicle registration and IFTA fuel tax credentials.
- **County, City & Toll Road Clearances**: Municipal authorizations and turnpike clearances.

## Superload Permitting & State Review Protocol
- **Weight Trigger**: Over 170,000 lbs GVW or exceeding NMDOT axle spacing formulas
- **Width Trigger**: Over 18' 0" wide
- **Height Trigger**: Over 16' 6" high
- **Length Trigger**: Over 140' 0" overall length
- **State & Partner Bridge Review**: New Mexico Department of Transportation (NMDOT) / MVD electronic systems and certified structural engineering partners evaluate axle load distribution across bridge structures upon submission.
- **Route Surveys & Clearances**: Required for extreme heights/widths to verify overhead physical clearances.
- **Utility & Escorts**: Coordinated wire lifts with power utilities and State Police / Highway Patrol escorts.

## Pilot Cars & Escort Vehicle Requirements
- **Front Escort**: Required over 12' 0" wide on two-lane highways; over 14' 0" wide on multi-lane highways
- **Rear Escort**: Required over 14' 0" wide on multi-lane highways; length exceeding 110' 0"; rear overhang > 15' 0"
- **Height Pole**: Required for loads exceeding 15' 6" in height (lead vehicle with calibrated pole)
- **Police Escort**: New Mexico State Police (NMSP) escort required over 18' 0" wide, 18' 0" high, or over 170,000 lbs

## Metro Curfews & Travel Restrictions
- **Curfew Zones**:
  - Albuquerque Metro (I-40, I-25, Coors Blvd): 7:00–9:00 AM & 4:00–6:00 PM M-F
  - Santa Fe Metro (I-25, US-84/285, NM-599): 7:00–8:30 AM & 4:30–6:00 PM M-F
- **Travel Rules**: Daylight only (1/2 hour before sunrise to 1/2 hour after sunset), 7 days a week for routine loads up to 14' wide and legal height. Overweight-only continuous travel allowed with lighting.

## Key Freight Corridors
- I-40 (Cross-Country Transcontinental Arterial)
- I-10 (Southern Freight Spine)
- I-25 (CANAMEX North-South Corridor)
- US-285 (Permian Basin Heavy Haul Corridor)
- US-54
- US-70

## Frequently Asked Questions
### What is New Mexico's legal height limit?
New Mexico allows a legal height of 14'0" on state and interstate highways without requiring an oversize permit.

### What are New Mexico pilot car escort requirements?
New Mexico mandates 1 escort for loads over 12' wide on 2-lane roads and over 14' wide on multi-lane highways. Loads over 110' long require a rear escort. Height over 15'6" requires a height pole.

### How are Permian Basin oilfield moves permitted in New Mexico?
NMDOT issues specific single-trip and annual permits for oilfield equipment traversing US-285, NM-128, and Eddy/Lea county corridors. Alpine coordinates exact axle ratings.

### What qualifies as a superload in New Mexico?
Loads exceeding 170,000 lbs gross weight, 18' wide, 16'6" high, or 140' long are superloads requiring NMDOT engineering review.

## Contact & Direct Dispatch
- **Direct Phone**: (918) 607-6547 (CALL: [918-607-6547](tel:9186076547))
- **Email**: [permits@alpinetruck.com](mailto:permits@alpinetruck.com)
- **Online Intake**: [alpinetruckservice.com/permits/new-mexico](https://www.alpinetruckservice.com/permits/new-mexico)