Utah vs Wyoming Oversize Load Rules
What changes for an oversize load between Utah and Wyoming: legal height, pilot car triggers, height poles and travel hours.
I-80, reviewed October 2026
What changes at the Utah and Wyoming border
- Legal height
- Both states use the same legal height, 14 ft 0 in.
- First pilot car
- Utah requires a pilot car from 14 ft 0 in wide; Wyoming waits until 15 ft 0 in. A load between those widths needs an escort in Utah only.
Check one load against both states
Utah
- Oversize permit required
- No width escort
Wyoming
- Oversize permit required
- No width escort
11 ft 0 in wide, 14 ft 0 in tall. Length is not checked here.
Side by side
| Rule | Utah | Wyoming |
|---|---|---|
| Legal width | 8 ft 6 in | 8 ft 6 in |
| Legal height | 14 ft 0 in | 14 ft 0 in |
| Legal length | Single motor vehicle 45 ft; semitrailer 53 ft; double trailer combination 61 ft trailer length (no overall limit on the tractor); truck-trailer and other combinations 65 ft (Admin Rule R909-2-4). | Single unit or semitrailer 60 ft; tractor with semitrailer/trailer combination 81 ft (48 ft semitrailer + 40 ft trailer max); any other combination 85 ft; maximum three single vehicles in a combination. |
| Gross weight | 80,000 lbs | 80,000 lbs |
| First pilot car at | 14 ft 0 in | 15 ft 0 in |
| Second pilot car at | 16 ft 0 in | Not confirmed |
| Height pole at | Not confirmed | Not confirmed |
| Length escort at | 120 ft 0 in | 110 ft 0 in |
| Travel hours | Loads over 14'6" high, 12 ft wide, 105 ft long or 10 ft overhang are daylight only; night travel allowed up to 12 ft wide (secondary) or 14 ft (interstate), with pilots as required. Curfew Mon-Fri 6-9 am and 3:30-6 pm for loads over 10 ft wide, 105 ft long or 14'6" high on the Wasatch Front highways listed in R909-2-12. | Daylight hours only, except legal-height, permitted, signed and lighted: single units 60-75 ft, combinations under 100 ft where the single unit exceeds 60 ft, and loads up to 10 ft wide on Interstates may move at night. |
| Weekends | No general weekend restriction in R909-2; only holiday weekends are restricted (Monday holidays: Friday 2 pm to midnight restricted, normal travel Saturday sunrise through Sunday midnight, restriction resumes 12:01 am Monday). | No general weekend restriction stated on the WHP commercial carrier page; holiday weekends are restricted for loads needing escorts. |
| Trip permit | Not confirmed | $20.00 |
| Permit office | UDOT Motor Carrier Division | (307) 777-4376 (Wyoming Highway Patrol / WYDOT Commercial Carrier (Permits)) |
Go deeper
- Pilot car detail: Utah, Wyoming
- Full guides: Utah, Wyoming
- Running through both without local plates? Estimate the trip permit cost
- Moving over a holiday? Check holiday restrictions
Utah and Wyoming FAQs
- Do Utah and Wyoming require pilot cars at the same width?
- Utah requires a pilot car from 14 ft 0 in wide; Wyoming waits until 15 ft 0 in. A load between those widths needs an escort in Utah only.
- Is the legal truck height the same in Utah and Wyoming?
- Both states use the same legal height, 14 ft 0 in.
- Do I need a separate permit for each state between Utah and Wyoming?
- Yes. Oversize and overweight permits are issued by each state, so a move through both needs a permit from UDOT Motor Carrier Division and one from Wyoming Highway Patrol / WYDOT Commercial Carrier (Permits), each with its own route, hours and escort conditions.
- Which travel hours apply in Utah and Wyoming?
- Utah: Loads over 14'6" high, 12 ft wide, 105 ft long or 10 ft overhang are daylight only; night travel allowed up to 12 ft wide (secondary) or 14 ft (interstate), with pilots as required. Curfew Mon-Fri 6-9 am and 3:30-6 pm for loads over 10 ft wide, 105 ft long or 14'6" high on the Wasatch Front highways listed in R909-2-12. Wyoming: Daylight hours only, except legal-height, permitted, signed and lighted: single units 60-75 ft, combinations under 100 ft where the single unit exceeds 60 ft, and loads up to 10 ft wide on Interstates may move at night. The conditions printed on the permit control.
Compiled from each state's published permit rules, reviewed October 2026. Not legal advice; the conditions printed on your permit control.