Trailer Dimensions

Alabama

Total length: 57 feet; trailer length: 28 feet 6 inches; motor home length: 45 feet; width: 8 feet 6 inches (excluding mirrors and safety equipment, and appurtenances up to 6 inches attached to a motor home, travel trailer, self-propelled camper or house car, truck camper, or RV); height: 13 feet 6 inches.


Alaska

Total length: 75 feet; trailer length: 53 feet; motor home length: 45 feet; width: 8 feet 6 inches (excluding appurtenances, equipment up to 3 inches, turn signals, handholds, splash and spray suppressant devices, load-induced tire bulge, retracted RV awnings, AC power outlets and exhaust fans); height: 15 feet.


Arizona

Total length: 65 feet; trailer length: 28.5 feet; motor home length: 45 feet; trailer width: 8 feet (8 feet 6 inches on certain roads); motor home width: 8 feet 6 inches (excluding appurtenances up to width of rear view mirrors); height: 13 feet 6 inches (14 feet on designated roads).

May pull 2 units if the middle unit has a 5th wheel and brakes and has a weight equal to or greater than the rear unit; the rear unit is 3,000 lbs. or more and is equipped with brakes.


Arkansas

Total length: 53 feet 6 inches; trailer length: 28 feet; motor home length: 40 feet; width: 8 feet 6 inches (excluding safety equipment); height: 13 feet 6 inches.


California

Total length: 65 feet (up to 75 feet in certain circumstances); trailer length: 28 feet 6 inches;  motor home length: 40 feet (38 feet for a single-axle fifth wheel travel trailer; 40 feet for 2- or more axle fifth wheel travel trailer); width: 102 inches (excluding safety equipment and RV appurtenances up to 6 inches); height: 13 feet 6 inches (14 feet on designated roads).


Colorado

Total length: 75 feet (excluding safety equipment and extension devices used for loading beyond the front or rear ends, used in combination for transporting automobiles and boats); trailer length: 45 feet; motor home length: 45 feet; width: 8 feet 6 inches (excluding RV appurtenances up to 6 inches); height: 13 feet (14 feet 6 inches on designated roads).


Connecticut

Total length: 65 feet (excluding the transportation of boats under 4,000 lbs.); trailer and motor home length: 40 feet; width: 8 feet 6 inches (for trailers, excluding safety equipment up to 3 inches and the transportation of boats under 4,000 lbs.; for motor homes, excluding appurtenances up to 6 inches); height: 13 feet 6 inches (excluding appurtenances up to 6 inches).


Delaware

Total length: 60 feet (65 feet for an RV towing a vehicle); trailer and motor home length: 45 feet; width: 8 feet 6 inches for trailers, 8 feet for motor homes (excluding safety equipment); height: 13 feet 6 inches.


District of Columbia

Total length: 55 feet (excluding safety equipment and energy conservation devices); trailer and motor home length: 40 feet; width: 8 feet (8 feet 6 inches on certain roads with certain combinations); height: 13 feet 6 inches.


Florida

Total length: 65 feet; trailer length: 48 feet; motor home length: 40 feet; width: 8 feet 6 inches (excluding safety equipment and appurtenances); height: 13 feet 6 inches.


Georgia

Total length: 100 feet; trailer length: 53 feet (56 feet for boat transporters); width: 8 feet 6 inches (excluding mirrors); height: 13 feet 6 inches (14 feet on designated roads).


Hawaii

Total length: 65 feet; trailer and motor home length: 45 feet; width: 9 feet; height: 14 feet.


Idaho

Total length: 75 feet (excluding carry devices necessary for safe and efficient operation); trailer length: 48 feet (excluding carry devices necessary for safe and efficient operation); motor home length: 45 feet; width: 8 feet 6 inches; height: 14 feet.


Illinois

Total length: 60 feet; trailer length: 53 feet (excluding safety equipment and energy conservation devices); motor home length: 45 feet (excluding energy absorbing bumpers and mirrors); width: 8 feet 6 inches (excluding safety devices on interstates and mirrors;, for motor homes, appurtenances up to 6 inches on roadways at least 11 feet in width); height: 13 feet 6 inches.


Indiana

Total length: 60 feet (excluding boat transporters); trailer length: 28.5 feet; motor home length: 45 feet; width: 8 feet 6 inches (for motor homes, excluding appurtenances up to the width of rear view mirrors); height: 13 feet 6 inches.


Iowa

Total length: 65 feet; trailer length: 53 feet (45 feet for travel trailers); motor home length: 45 feet; width: 8 feet 6 inches (excluding safety equipment up to 6 inches); height: 13 feet (excluding safety equipment up to 6 inches).


Kansas

Total length: 65 feet; trailer length: not specified; motor home length: 45 feet; width: 8 feet 6 inches (excludes mirrors, equipment up to 3 inches, turn signals, handholds, splash and spray suppressant devices, load-induced tire bulge, and appurtenances up to the width of rear view mirrors); height: 14 feet.


Kentucky

Total length: 65 feet; trailer and motor home length: 45 feet; trailer width: 8 feet (excluding safety equipment); motor home width: 8 feet 6 inches (excluding appurtenances and safety equipment up to 6 inches); height: 13 feet 6 inches.


Louisiana

Total length: 65 feet; trailer length: 30 feet; motor home length: 45 feet; width: 8 feet 6 inches (excluding safety equipment and for motor homes, safety equipment up to 6 inches); height: 13 feet 6 inches (14 feet on designated roads).


Maine

Total length: 65 feet; trailer length: 48 feet; motor home length: 45 feet; width: 8 feet 6 inches (excluding mirrors, turn signals, and appurtenances up to 6 inches); height: 13 feet 6 inches.


Maryland

Total length: 55 feet (65 feet for travel trailers and boat transporters); trailer length: 35 feet; motor home length: 40 feet (45 feet on interstates); width: 8 feet 6 inches (excluding retractable awnings, and safety equipment and energy conservation devices up to 3 inches); height: 13 feet 6 inches.


Massachusetts

Total length: 65 feet (excluding appurtenances); trailer length: 33 feet (excluding appurtenances); motor home length: 45 feet (excluding appurtenances); width: 13 feet 6 inches (excluding mirrors, safety equipment, turn signals, handholds, splash and spray suppressant devices, load-induced tire bulge, and retracted RV awnings); height: 13 feet 6 inches.


Michigan

Total length: 65 feet; trailer length: 28 feet 6 inches; motor home length: 45 feet; width: 8 feet 6 inches (excludes appurtenances for motor homes); height: 13 feet 6 inches.


Minnesota

Total length: 75 feet (70 feet if an RV combination); trailer and motor home length: 45 feet (excluding bumpers up to 6 inches and aerodynamic devices); width: 8 feet 6 inches (excluding rear view mirrors and load securement devices up to 3 inches, and for motor homes, excluding appurtenance up to the width of rear view mirrors); height: 13 feet 6 inches.


Mississippi

Total length: not stated; trailer length: 53 feet; motor home length: 45 feet (excluding bumpers); width: 8 feet 6 inches (excluding safety equipment, for motor homes, excluding appurtenances up to width of rear view mirrors); height: 13 feet 6 inches.


Missouri

Total length: 65 feet; trailer and motor home length: 45 feet (excluding bumpers for motor homes); width: 8 feet 6 inches (excluding safety equipment and clearance lights and required accessories, and for motor homes, excluding appurtenances up to width of rear view mirrors); height: 13 feet 6 inches (14 feet on designated roads).


Montana

Total length: 65 feet; trailer length: not specified; motor home length: 55 feet; width: 8 feet 6 inches (excluding safety equipment and appurtenances up to the width of the rear view mirror); height: 14 feet.

Passenger vehicles less than 2,000 lbs. GVW may tow 1 trailer; this combination shall not exceed 65 feet. Three-unit combinations shall not exceed 65 feet. Three-unit combinations permitted if rear unit is equipped with breakaway brakes.


Nebraska

Total length: 65 feet (excluding bumpers); trailer and motor home length: 40 feet (excluding bumpers); width: 8 feet 6 inches (excluding safety equipment and for motor homes, appurtenances up to 6 inches); height: 14 feet 6 inches.


Nevada

Total length: 70 feet; trailer and motor home length: not specified; width: 8 feet 6 inches (for trailers excluding lights or devices up to 6 inches, door handles, hinges, cable cinchers and chain bundlers up to 3 inches; for motor homes, excluding mirrors, safety equipment, and lights and awnings or hardware up the width of rear view mirrors); height: 14 feet.


New Hampshire

Total length: 53 feet; trailer length: not stated; motor home length: 45 feet (excluding bumpers); width: 8 feet 6 inches (for motor homes, excluding appurtenances up to 6 inches); height: 13 feet 6 inches.


New Jersey

Total length: 62 feet, 65 feet with a camping trailer, fifth wheel trailer, or park trailer; trailer length: 53 feet, 45 feet for motor homes, 28 feet as part of a combination; width: 8 feet 6 inches (only on certain roads, excluding safety equipment up to 6 inches); height: 13 feet 6 inches.


New Mexico

Total length: 65 feet (excluding bumpers); trailer length: 40 feet; motor home length: 45 feet; width: 8 feet (excluding safety equipment up to 6 inches; for motor homes, excluding appurtenances up to 6 inches); height: 14 feet.


New York

Total length: 60 feet (excluding bumpers); trailer length: 48 feet; motor home length: 40 feet (excluding bumpers); width: 96 inches (excluding safety equipment up to 6 inches; for motor homes, excluding awnings over 7.5 feet from the ground and up to 6 inches on the right and 4 inches on the left); height: 13 feet 6 inches.


North Carolina

Total length: 60 feet (excluding bumpers); trailer length: 40 feet (excluding bumpers); motor home length: 45 feet (excluding mirrors and bumpers); width: 8 feet 6 inches; height: 13 feet 6 inches.

A boat or boat trailer with a width between 102 and 120 inches is permitted to be towed as long as the boat or trailer is equipped with two operable amber lamps on the widest point to clearly mark outside dimensions. The towing of a boat or boat trailer 114 inches to 120 inches in width may take place only during daytime.


North Dakota

Total length: 75 feet (excluding safety equipment, energy conservation devices, and approved length exclusion devices); trailer length: 53 feet (excluding safety equipment, energy conservation devices, and approved length exclusion devices); motor home length: 50 feet (excluding safety equipment, energy conservation devices, and approved length exclusion devices); width: 8 feet  6 inches (excluding appurtenances up to 6 inches and safety equipment up to 3 inches); height: 14 feet.


Ohio

Total length: 65 feet (excluding mirrors, safety equipment, carrying devices, and loading equipment up to 24 inches beyond the rear); trailer length: not stated; motor home length: 45 feet (excluding mirrors, safety equipment, carrying devices, and loading equipment up to 24 inches beyond the rear); width: 8 feet 6 inches (excluding mirrors, safety equipment, turn signals, handholds, splash and spray suppressant devices, load-induced tire bulge, marker lamps, fender extension, automotive covering devices, tarp and tarp hardware, and tie-down assemblies up to 3 inches); height: 13 feet 6 inches.


Oklahoma

Total length: 65 feet; trailer length: 40 feet; width: 8 feet 6 inches (excluding safety equipment, retracted RV awnings up to 8 inches, and appurtenances up to 4 inches); height: 13 feet 6 inches.


Oregon

Total length: 65 feet; trailer length: 40 feet; motor home length: 45 feet; width: 8 feet 6 inches (for motor homes, excluding appurtenances up to 4 inches); height: 14 feet.


Pennsylvania

Total length: not stated; trailer length: not stated; motor home length: 40 feet; width: 8 feet 6 inches (excluding mirrors, and sunshades and tarps  up to 6 inches); height: 13 feet 6 inches.


Rhode Island

Total length: not stated; trailer length: 40 feet; motor home length: 45 feet; width: 8 feet 6 inches (excluding safety equipment, for motor homes, appurtenances, for trailers, non-cargo-carrying appurtenances); height: 13 feet 6 inches.


South Carolina

Total length: 53 feet (excluding safety equipment, energy conservation devices, loading equipment, compressors, and fuel-saving equipment on the front); trailer length: 40 feet (excluding safety equipment, energy conservation devices, loading equipment, compressors, and fuel-saving equipment on the front); motor home length: 45 feet (excluding safety equipment, energy conservation devices, loading equipment, compressors, and fuel-saving equipment on the front); width: 8 feet 6 inches (excluding safety equipment, for motor homes appurtenances up to 6 inches); height: 13 feet 6 inches.


South Dakota

Total length: not stated; trailer and motor home length: 45 feet (excluding bumpers); trailer width: 8 feet 6 inches (excluding safety equipment, for motor homes appurtenances up to 6 inches); height: 14 feet.


Tennessee

Length: not stated; width: 8 feet (excluding safety equipment, appurtenances, and retracted RV awnings up to 6 inches); height: 13 feet 6 inches.


Texas

Total length: 65 feet; trailer length: 12 feet 6 inches; width: 8 feet; height: 14 feet.


Utah

Total length: 65 feet; trailer length: 48 feet; motor home length: 65 feet; width: 8 feet; height: 14 feet.


Vermont

Total length: 75 feet; trailer length: not stated; motor home length: 46 feet; width: 8 feet 6 inches (excluding safety equipment and appurtenances up to 6 inches); height: 13 feet 6 inches.


Virginia

Total length: 65 feet (excluding safety equipment, energy conservation devices, and steps and handholds for entry); trailer length: 28 feet 6 inches; motor home length: 45 feet (excluding bumpers); width: 8 feet 6 inches (excluding mirrors, and for trailers appurtenances); height: 13 feet 6 inches.


Washington

Total length: 75 feet; trailer length: not stated; motor home length: 40 feet (excluding bumpers, safety equipment, energy conservation devices, compressors, and fuel saving equipment on the front); width: 8 feet 6 inches (excluding mirrors and for motor homes, appurtenances up to 4 inches); height: 14 feet.


West Virginia

Total length: 65 feet (excluding bumpers); trailer length: 40 feet (excluding bumpers); motor home length: 45 feet (excluding bumpers); trailer width: 8 feet (excluding safety equipment); motor home width: 8 feet 6 inches (excluding safety equipment); height: 13 feet 6 inches.


Wisconsin

Total length: 70 feet; trailer and motor home length: 48 feet (for trailers, excluding bumpers, stake pockets, air deflectors, ad refrigeration units); width: 8 feet 6 inches (for trailers, excluding appurtenances up to width of rear view mirrors); height: 13 feet 6 inches.


Wyoming

Total length: not stated; trailer and motor home length: 60 feet; width: 8 feet 6 inches (excludes appurtenances up to width of rear view mirrors); height: 14 feet.


Puerto Rico

Height from ground must not exceed 13 feet, 6 inches; length, including load, must not exceed 40 feet; and width must not exceed 8 feet, 6 inches.

Overall length of 2 vehicles coupled together may not exceed 75 feet, including load.

Weight: Overall GVW may not exceed 110,000 lbs.


Alberta

Total length: 20 meters; trailer length: 12.5 meters; width: 2.6 meters, mobile living accommodations 2.6 meters; height: 4 meters.


Northwest Territories

Maximum of 1 boat or general utility trailer may be towed behind passenger or pleasure vehicles. Total length of both not to exceed 21 meters (69 feet).


British Columbia

A person must have a permit to operate a trailer whose length is 12.5 meters or more. A person must have a permit to operate a semitrailer having an overall length greater than 20 meters.


Manitoba

The trailer length limit is 12.5 meters; the width limit is 2.6 meters; and the height limit is 4.15 meters.


New Brunswick

The maximum trailer dimensions are: (1) a width of 2.6 meters; (2) a height of 4.15 meters; and (3) a total length of 23 meters and trailer length of 12.5 meters. The exception to the length requirement is a box length of 23 meters for an A-Train Double, a B-Train Double, and a C-Train Double Trailer.


Newfoundland and Labrador

Total length: 23 meters; trailer length: 12.5 meters; width: 2.6 meters; height: 4.15 meters.


Nova Scotia

Trailer length: 12.5 meters; total length: 23 meters; width: 2.6 meters; height: 4.15 meters.


Nunavut

No combination of vehicles 4500 kg or over GVWR may exceed 25m in length, 3.2 m in width (not counting side mirrors, lights, reflectors or load-securement devices which protrude no more than 15 cm on each side beyond the widest part of the vehicle or its load), or 4.2 m in height.


Ontario

No combination of vehicles, including load, coupled together may exceed the total length of 23 meters while on a highway.

A city council may prohibit the operation of a combination of vehicles having a total length, including load, in excess of 15.25 meters.


Prince Edward Island

Total length: 23 meters; trailer length: 14.6 meters; width: 2.6 meters; height: 4.5 meters.


Quebec

The maximum length for any combination consisting of a towing vehicle and a single trailer is 23 meters. The maximum length of a trailer is 12.5 meters.

The maximum width of any trailer, load included, is 2.60 meters.

The maximum height of any trailer, load included, is 4.15 meters.


Saskatchewan

The total length of a vehicle and trailer must not exceed 23 m and the width of any unit must not exceed 2.6 m. The maximum length of a single trailer is 12.5 m and the maximum height allowed is 4.15 meters.


Yukon

Total length of trailer and vehicle: 25 meters; width: 2.6 meters; height: 4.9 meters.