Utah oversize permit office

Utah Department of Transportation (UDOT), Motor Carrier Division - Trucking (Oversized, Overweight) Permits. Call (801) 965-4892, Monday – Friday 8 a.m. to 5 p.m. Closed on Weekends & State/Federal Holidays. Mountain time.

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

Apply online
Purchase Motor Carrier Permits (UDOT online permitting system)Source
How to get one
Buy the permit online with a major credit card before you enter Utah, and carry it (paper or electronic) in the truck.
Single trip fee
Single Trip $60.00 (combination overweight/oversize non-divisible load permit up to 125,000 GVW); over 125,000 pounds GVW: minimum $80.00, maximum $540.00 by fee tableSource
Legal without a permit
Width 8 foot 6 inches · Height 14 feet · Length 53 feet semi-trailer (no overall limit for a tractor-semitrailer with a trailer 53 feet or less) · Weight 80,000 pounds gross vehicle weightSource 1Source 2
Superloads
Loads over 17'6" high, over 17' wide, or over 300,000 lbs. gross get extra processing, only Monday-Friday 8 a.m.-5 p.m. Mountain Time.Source
How fast
Loads over the superload thresholds may take up to 14 days to approve.Source

When you can move

Daylight
Daylight means half an hour before sunrise to half an hour after sunset; bigger loads may move only in daylight.Source
At night
Night moves need a pilot escort and extra lights; not allowed at night over 14 ft wide (freeway) or 12 ft wide (secondary), or over 105 ft long, 14 ft 6 in high or 10 ft overhang.
Holidays
Christmas Day, New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day. Loads over 12 ft wide, 105 ft long or 14 ft 6 in high stop from 2 p.m. the day before until sunrise the day after; for Monday holidays, stop 2 p.m. Friday to midnight, travel Saturday sunrise to Sunday midnight, then stop until Tuesday sunrise. Next datesSource
Rush-hour curfews
6 in Utah, such as Highways south of Perry Willard Interchange (I-15 Exit 357) (loads over 12 ft wide, 105 ft long or 14 ft 6 in high): Mon-Fri 6-9 a.m. and 3:30-6 p.m. (Mountain). All of them