New Mexico oversize permit office

New Mexico Department of Transportation - Oversize/Overweight Permit Office (Ports of Entry). Call 505-476-2475, MON- FRI; 8AM- 5PM MST ONLY! Mountain time.

From New Mexico's own pages, checked 2026-10-24. Fees and rules change: the state's page is the last word.

Apply online
NM-OPS (New Mexico Operating Permit System)Source
How to get one
Buy the permit online in NM-OPS before you enter New Mexico, and have it with you.
Email
dot-truckpermits@dot.nm.gov
Single trip fee
Single Trip Oversize Permit Fee is $25.00. Single Trip Overweight Permit Fee is $25.00. Exceeding 86,400 lbs. Fee: $.025 per ton/mileSource
Legal without a permit
Width 8 feet 6 inches · Height 14 feet · Length 65 feet (combination, including front and rear overhang); 40 feet single vehicle · Weight 86,400 pounds on Federal Designated routesSource 1Source 2Source 3
Superloads
SuperLoads are 200 k and above and go to the NMDOT Bridge Section (505-795-4317); any load over 170,000 pounds needs a bridge engineering review before a permit is issued.Source 1Source 2

When you can move

Daylight
Moves only from 30 minutes before sunrise to 30 minutes after sunset, any day of the week, and never in bad weather.Source
At night
Night (continuous) moves only if the permit says so, and only for loads up to 10 ft wide, 14 ft 6 in high, 120 ft long and 140,000 lb.
Holidays
New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day. No moves from 12:01 a.m. to 11:59 p.m. on the holiday itself (DOT may name other holidays). Next datesSource
Rush-hour curfews
5 in New Mexico, such as Santa Fe and Las Cruces city limits (interstates, US highways, state roads): Weekdays 7-9 a.m. and 4-6 p.m. All of them