In New Mexico, any load that exceeds the legal size or weight limits requires an oversize/overweight permit before it moves. Below are the legal limits and the requirements that apply at each threshold.
1When you need a permit
A load is oversize or overweight once it passes any of these:
| Dimension | New Mexico legal limit | Permit if over |
|---|---|---|
| Width | 8 ft 6 in | Wider |
| Height | 14 ft | Taller |
| Length (combination) | 65 ft | Longer |
| Gross weight | 86,400 lbs | Heavier |
| Single axle | 21,600 lbs | Heavier |
| Tandem axle | 34,200 lbs | Heavier |
2Escort & pilot car requirements
| Once the load is over… | New Mexico requires |
|---|---|
| 14 ft wide | 1 escort (pilot car) |
| 18 ft wide | 2 escorts |
| 15 ft 6 in high | Escort with a height pole / pole car |
| 110 ft long | 1 escort · 120 ft 1 in → 2 escorts |
| 15 ft 6 in high | Route survey required |
| 20 ft wide | Police escort |
3When you can travel
- Daylight only — 30 min before sunrise to 30 min after sunset.
- Weekends: Weekend travel is allowed.
- Continuous (night) movement only if the special permit allows it, up to 10 ft wide, 14 ft 6 in high, 120 ft long and 140,000 lb; never on holidays or in bad weather..
- Holiday blackouts: New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day.
4Superloads in New Mexico
A load is a superload once it exceeds any of these:
| Superload trigger | Threshold |
|---|---|
| Gross weight | 170,000 lbs |
5Permit timing
- Validity: a single-trip permit is good for ~5 days.
Get the full cost of your load
FreightDeck estimates every cost on an oversize move — permits, escorts, police, route survey, engineering, and the truck rate — for your exact load and route, across all 48 states and Canada, up to superload size.
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?New Mexico permit FAQ
When do I need an oversize permit in New Mexico?
Once a load exceeds any legal limit: 8 ft 6 in wide, 14 ft high, 65 ft long (combination), or 86,400 lbs gross.
When do I need a pilot car in New Mexico?
New Mexico requires one escort over 14 ft wide (two over 18 ft), a height pole over 15 ft 6 in high, and a police escort over 20 ft wide.
Can you drive an oversize load at night in New Mexico?
Daylight only, 30 min before sunrise to 30 min after sunset. Continuous (night) movement only if the special permit allows it, up to 10 ft wide, 14 ft 6 in high, 120 ft long and 140,000 lb; never on holidays or in bad weather. Weekend travel is allowed within limits.
What counts as a superload in New Mexico?
Over 170,000 lbs gross.
How much does a New Mexico oversize permit cost?
The state permit fee depends on the load's size and weight. The full cost of a move also includes escorts, police, route surveys, engineering, and the truck rate, which vary by route. FreightDeck estimates all of it for your exact load — price your New Mexico load with FreightDeck →.
Can oversize loads move on weekends and holidays in New Mexico?
Weekend travel is allowed. Movement stops on New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, and Christmas Day (12:01 am to 11:59 pm on the calendar day of the holiday); check the permit conditions for exact times.
Does New Mexico require a route survey?
Yes, once a load is over 15 ft 6 in high. The survey checks every bridge, sign, signal and wire on the route and is filed with the permit; it usually takes longer than the permit itself, so start it first. What a route survey involves →
Are any loads exempt from oversize permits in New Mexico?
New Mexico publishes exemptions or relaxed rules for continuous movement (width) (for example width <=10 ft; weather/visibility permitting). Exemptions are narrow and usually limited to specific roads and daylight hours; anything else over the legal limits needs a permit.
Does a New Mexico permit cover Colorado?
No. Every state issues its own permit, and a move crossing into Colorado, Oklahoma, or Texas needs a separate permit there with that state's escort and travel rules. FreightDeck prices every state on the route in one quote.