Free Tool · No account required
Alaska RV length limits
Alaska's limits for motorhomes, trailers, triple towing and height, quoted from its own law. Enter your rig to check it.
The law in Alaska
Motorhome: 45 ft
"The following maximum lengths may not be exceeded on the state highway system, other than routes described in (c) of this section: (1) the length of a power vehicle may not exceed 45 feet;"
Height: 15 ft
"A vehicle, including load, may not exceed a height of 15 feet except that a vehicle operating between the Fox Weigh Station and Prudhoe Bay on the Dalton and Elliott Highways may have a height, including load, of 17 feet."
Width: 102 in (8 ft 6 in)
"The width of a vehicle, including load, may not exceed 102 inches."
17 AAC 25.012, Legal vehicle size (Alaska Administrative Code), checked November 2026.
Truck and trailer or fifth wheel in Alaska. Check before you go. We found no overall length rule for your truck and trailer in Alaska's law.
Truck and trailer or fifth wheel · Alaska
Check before you goCheck before you go. We found no overall length rule for your truck and trailer in Alaska's law.
Overall length
Not statedNo rule for this found in the state's law. Ask the state DOT before you drive.
Width: 102 in (8 ft 6 in)
"The width of a vehicle, including load, may not exceed 102 inches."
"Equipment may extend no more than three inches beyond the 102-inch width limitation on each side of the vehicle if the equipment is attached to the vehicle."
"(1) rear view mirrors;"
"(6) recreational vehicle awnings in the retracted position;"
"(7) manufacturer-installed appurtenances, including alternating-current (AC) power outlets and exhaust fans."
More from Alaska's law
"(3) the overall length of a combination of vehicles, consisting of a truck and one cargo-carrying vehicle or a truck tractor and one or two cargo-carrying vehicles, may not exceed 75 feet;"
"(2) the cargo-carrying length of a semitrailer or trailer may not exceed 53 feet;"
"(46) "truck" means any self-propelled commercial motor vehicle except a truck tractor, designed or used for the transportation of property;"
Source: 17 AAC 25.012, Legal vehicle size (Alaska Administrative Code), checked November 2026.
Also read on: 17 AAC 25.990, Definitions
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 Alaska
29 RV parks listed in Alaska.
Other states
RV length limits in other states
- Alabama
- Arizona
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Common questions
RV length and towing questions
More free tools
