1. Know Which Permit You Actually Need
New Mexico offers several permit types, including:
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Oversize/Overweight (OS/OW) Permits
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Trip Permits (for IRP or IFTA non-compliance)
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Special Fuel Permits
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Quarterly Weight Distance Tax (WDT) registration
Before applying, confirm the exact permit category so you don’t waste time or money.
2. Understand the Weight Distance Tax Requirement
New Mexico is one of only four states with a mandatory Weight Distance Tax for carriers operating commercial vehicles over 26,000 lbs.
First-time carriers often overlook this and face penalties later. Register early and file on time.
3. Prepare Your Vehicle Information in Advance
You will typically need:
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VIN
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Plate number
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Registered weight
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Axle configuration
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USDOT and MC numbers
Having all details ready speeds up the permit process.
4. Use the New Mexico Permit Portal - https://www.newmexicotruckingonline.com/
The NM permit system is useful but can be tricky for new users.
Tips:
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Create your account before you actually need a permit
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Double-check vehicle weight and dimensions before submitting
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Save your login info — NM does not play well with password resets
5. Contact the NM Permit Office When in Doubt - (505) 578-2195
They can clarify:
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Which permit you need
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Route restrictions
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Escort requirements
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Validity periods
A quick call can prevent costly mistakes.
6. Don’t Ignore Route Restrictions
New Mexico has unique terrain challenges such as:
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Mountain passes
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Tribal lands
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High-wind corridors
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Narrow two-lane highways
Always review the approved routing provided with your OS/OW permit.
7. Keep an Eye on Weather Conditions
High winds are common in NM, especially along I-40. These can result in:
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Sudden road closures
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Restrictions for light or high-profile loads
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Escort changes
Check updates before departure to avoid being stranded.
8. Make Sure Your Permit Is Visible or Accessible
While electronic permits are accepted, enforcement may ask for:
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A printed copy, or
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Immediate digital access via phone or tablet
Do not start your trip without having your permit ready to show.
9. Review Your Permit Before Rolling
First-time carriers often overlook details like:
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Start/end dates
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Allowed axle weights
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Authorized travel times
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Holiday or weekend limitations
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Escort requirements
A single mistake could result in a roadside citation.
10. Keep Track of NM Permits for Future Trips
New Mexico often requires additional filings on subsequent trips for the same truck.
Keep a dedicated folder (digital or physical) for:
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Prior permits
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WDT filings
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Account numbers
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Receipts
This eliminates repeated data entry and saves time.