Utah Oversize Permits

Legal size/weight limits, escort thresholds, travel restrictions, and permit office contact for Utah.

⚠ REFERENCE ONLY — NOT A PERMIT. VERIFY WITH THE STATE BEFORE YOU TRAVEL.

These figures are a reference summary of publicly published state rules, not a substitute for a state-issued permit and not legal advice. Rules change — always confirm current limits and requirements directly with the state permit office before you plan or run a move. Last verified: 2026-07-16. Oversize Ops is NOT responsible and CANNOT be held liable for decisions made from this reference. Official source ↗

Legal Maximum Dimensions (no permit required)

Width: 8.5ft (102in)
Height: 14ft (168in)
Max semitrailer length: 53ft
Gross Weight: 80,000 lbs
Single Axle: 20,000 lbs
Tandem Axle: 34,000 lbs

Utah Code 72-7-402(3): a vehicle unladen or with a load may not exceed a height of 14 ft (168 in). Exceptions require a permit under 72-7-406; violation is a class C misdemeanour.

Official source for this height limit →

Utah Code 72-7-402(4)(b): "A semitrailer, unladen or with a load, may not exceed a length of 53 feet excluding refrigeration units, hitches, air line connections, and safety appurtenances. There is no overall length limitation on a truck tractor and semitrailer combination when the semitrailer length is 53 feet or less." Statewide, no road-class split. ⚠️ Do NOT borrow the 65 ft from subsection (4)(d) — that governs "all other combinations of vehicles". Safe to publish as a single number provided the "no overall limit" is stated alongside it. Last amended 2017.

Official source for these length limits →

Escort / Pilot Car Thresholds (see glossary for terms, certification requirements for the driver)

These escort figures are route-dependent — they can change with road classification, lane width, two-lane vs multilane, and time of day. Confirm with the permit office before dispatching.

Front escort required over: 12ft wide
Rear escort required over: 12ft wide
Both escorts required over: 14ft wide
Height escort required over: 16ft tall

Per Utah Admin Code R909-2-18: ONE pilot escort required over 12 ft wide on secondary highways / over 14 ft wide on freeway-interstate; over 105 ft long on secondary / over 120 ft on freeway; overhang over 20 ft (front escort for front overhang, rear escort for rear); tow trucks over 165 ft. TWO pilot escorts required over 14 ft wide on secondary / over 16 ft wide on freeway; over 120 ft long on secondary; over 16 ft high on all highways. Escort position varies by route (leads on 2-lane, follows on divided). No weight-tied escort. No routine police escort in rule.

Travel Restrictions

Night travel: Generally allowed
Weekend travel: Generally allowed
Sunday travel: Generally allowed

Night travel permitted up to 12 ft wide (secondary) / 14 ft wide (interstate) / 14 ft 6 in high; wider/longer loads may travel at night with required certified pilot escorts (R909-2-15). Curfew (R909-2-12): loads over 10 ft wide, 105 ft long, or 14 ft 6 in high prohibited during posted metro weekday rush-hour periods. Daylight = 1/2 hr before sunrise to 1/2 hr after sunset.

Holiday blackouts: Holiday travel restrictions (R909-2-13) apply to loads over 12 ft wide, 105 ft long, or 14 ft 6 in high, with restricted-travel windows around major holidays (e.g., restriction begins 2 p.m. Friday before a Monday holiday and resumes Tuesday sunrise). Specific holiday list not enumerated in sources reviewed.

See how Utah compares to every state ›

Superload Thresholds

Width over: 17ft
Height over: 17.5ft
Length over: 150ft
Weight over: 300,000 lbs

Loads exceeding 17 ft 6 in high, 17 ft wide, or 300,000 lbs are processed only Monday-Friday 8 a.m.-5 p.m. MST and may take up to 14 days for approval (UDOT Oversize & Overweight Provisions).

Estimated Permit Cost Verify before relying

$30 (oversize) / $60 (oversize + overweight) flat

Typical processing: 96-hour validity

⚠ UDOT’s own published fee table is an image, not confirmable text — lower confidence than other tier-2 states.

Source: Utah Code §72-7-406 — verify current fee with the permit office before budgeting a move.

Permit fee only — does not include escort/pilot-car service costs (market-rate, arranged separately) or third-party permit-service fees. This is an estimate for planning purposes, not a quote.

Get a Permit

Online portal: https://www.udot.utah.gov/connect/business/motor-carriers/size-weight-permitting/
Phone: 801-965-4892

Planning a move through Utah?

Enter your load's exact size to see whether it needs a permit or escort here, plan a truck-legal route, or find a transporter or escort.

Check my load in Utah Route Planner Find an Escort