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Permits by state
What UDOT Motor Carrier Division requires before an oversize or overweight load moves in Utah: legal limits, permits and fees, pilot and police escorts, curfews and holidays. Sourced from UDOT, Utah Code and Utah Administrative Rule R909-2.
The numbers
| Dimension | Legal limit |
|---|---|
| Width | 8 ft 6 in |
| Height | 14 ft |
| Length | Single unit 45 ft; other combinations per R909-2-4 |
| Gross weight | 80,000 lb (overweight permit above) |
Sources: UDOT: Legal Height, Width & Length; UDOT: Oversize & Overweight Provisions. Checked Oct 15, 2026.
Permits
Get the permit before entering Utah (except entries via the St. George, Echo and Wendover ports). Paper or electronic permits are accepted. Published statutory fees:
| Permit | Fee |
|---|---|
| Single trip oversize (96 hours) | $30 |
| Semiannual oversize | $75 |
| Annual oversize | $90 |
| Single trip oversize and overweight (96 hours) | $60 |
Superloads: loads over 17 ft 6 in high, 17 ft wide, or 300,000 lb are processed only 8 AM-5 PM MT Mon-Fri and may take up to 14 days. Loads over 17 ft wide on secondary highways, 20 ft on freeways, 17 ft 6 in high or 175 ft long need regional authorization (allow up to 14 days); the permittee arranges utility clearances, pilots and any police escort (request UHP at least 48 hours ahead).
Sources: Utah Code 72-7-406 (PDF); UDOT: Oversize & Overweight Provisions; UDOT: Non-Divisible Load Provisions. Checked Oct 15, 2026.
Pilot cars
| Situation | Requirement |
|---|---|
| Over 12 ft wide on secondary highways / over 14 ft on divided interstates | 1 pilot |
| Over 105 ft long secondary / 120 ft divided | 1 pilot |
| Overhang over 20 ft | 1 pilot on the overhang side |
| Over 14 ft wide secondary / over 16 ft divided | 2 pilots |
| Over 120 ft long secondary, or over 16 ft high | 2 pilots |
| Over 17 ft wide secondary, 20 ft any highway, or 17 ft 6 in high | Police escort |
| Over 175 ft / 200 ft long | 2 / 3 police escorts |
Pilot drivers must hold Utah certification or an equivalent state credential.
Source: Utah Admin. Rule R909-2 (PDF via UDOT). Checked Oct 15, 2026.
When you can roll
Rush-hour curfew: loads over 10 ft wide, 105 ft long or 14 ft 6 in high may not move Mon-Fri 6-9 AM and 3:30-6 PM MT on Wasatch Front highways (Weber, Davis, Salt Lake counties and parts of Utah County, I-15, I-80, I-84).
Night: loads over 14 ft 6 in high, 105 ft long, or over 10 ft overhang are daylight-only unless they meet R909-2-15 night provisions. The width trigger is shown as 12 ft in the current rule text and 10 ft in an older UDOT copy: verify with the state.
Holidays (Christmas, New Year's, Memorial Day, July 4, Labor Day, Thanksgiving): no travel for loads over 10 ft wide, 105 ft long or 14 ft 6 in high from 2 PM the day before until sunrise the day after. Monday holidays: restricted 2 PM to midnight Friday, travel resumes sunrise Saturday through midnight Sunday, then restricted 12:01 AM Monday to sunrise Tuesday.
Sources: Utah Admin. Rule R909-2 (PDF via UDOT); R909-2-14; R909-2-13. Checked Oct 15, 2026.
Permit office
Customer Service (801) 965-4892 or (866) 215-5399. Apply online through UDOT's permit system; the current portal link: verify with the state. udot.utah.gov: Oversize & Overweight Provisions
Rather not deal with it? Run your load through our permit checker, then call (310) 989-6530.
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