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Utah RV length limits

Utah's limits for motorhomes, trailers, triple towing and height, quoted from its own law. Enter your rig to check it.

The law in Utah

Motorhome: 45 ft
"(i) A single-unit vehicle, unladen or with a load, may not exceed a length of 45 feet including front and rear bumpers."
Trailer: 53 ft
"(b) (i) 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."
Overall combination: 65 ft
"(d) All other combinations of vehicles, unladen or with a load, when coupled together, may not exceed a total length of 65 feet"
Triple towing: With conditions
"(c) (i) Two trailers coupled together, unladen or with a load, may not exceed an overall length of 61 feet, measured from the front of the first trailer to the rear of the second trailer."
Height: 14 ft
"(3) A vehicle unladen or with a load may not exceed a height of 14 feet."
Width: 102 in (8 ft 6 in)
"(2) A vehicle unladen or with a load may not exceed a width of 8-1/2 feet."

Utah Code 72-7-402, Limitations as to vehicle width, height, length, and load extensions, checked November 2026.

RV Length Limits by StateUtah

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Truck and trailer or fifth wheel · Utah

Within the limits

Yes. Your truck and trailer is within Utah's length limits.

Add your height to check it against Utah's 14 ft limit.

Trailer length
WithinYours 32 ft · limit 53 ft
"(b) (i) 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."
Overall length
WithinYours 52 ft · limit 65 ft
"(d) All other combinations of vehicles, unladen or with a load, when coupled together, may not exceed a total length of 65 feet"

Width: 102 in (8 ft 6 in)

"(2) A vehicle unladen or with a load may not exceed a width of 8-1/2 feet."

"(c) Appurtenances attached to the sides or rear of a recreational vehicle that is not a commercial motor vehicle are excluded for purposes of measuring the width and length of the recreational vehicle if the additional width or length of the appurtenances does not exceed six inches."

"(1) (a) Except as provided by statute, all state or federally approved safety devices and any other lawful appurtenant devices, including refrigeration units, hitches, air line connections, and load securing devices related to the safe operation of a vehicle are excluded for purposes of measuring the width and length of a vehicle under the provisions of this part, if the devices are not designed or used for carrying cargo."

Source: Utah Code 72-7-402, Limitations as to vehicle width, height, length, and load extensions, checked November 2026.

Also read on: Utah Code 72-7-402, current version text (effective 5/9/2017)

See your rig against every state's limits

A guide to each state's published law, not legal advice. Lengths are measured as each state's law says (bumpers and hitches count in most); posted signs, local roads and permits can differ. The linked law is the authority.

Each state's own law, quoted
Motorhome, trailer or triple tow
Every state on your trip at once

Where to stay in Utah

32 RV parks listed in Utah.

See Utah RV parks

Common questions

RV length and towing questions

45 ft. Utah's law says: "(i) A single-unit vehicle, unladen or with a load, may not exceed a length of 45 feet including front and rear bumpers."

65 ft overall. Utah's law says: "(d) All other combinations of vehicles, unladen or with a load, when coupled together, may not exceed a total length of 65 feet"

With conditions. Utah's law says: "(c) (i) Two trailers coupled together, unladen or with a load, may not exceed an overall length of 61 feet, measured from the front of the first trailer to the rear of the second trailer."

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