1. (1) Mobile and manufactured homes exceeding 14 feet 6 inches to 16 feet in wall-to-wall width, transported on their own running gear, may be issued a single-trip permit under the following conditions:

   1. (a) trailer axles must be equipped with operational brakes; and
   2. (b) Trailer axles and suspensions may not exceed the manufacturer's capacity rating.
2. (2) The open sides of a mobile manufactured home must be covered by a rigid material of 0.5-millimeter plastic sheathing backed by a rigid grillwork not exceeding squares of four feet to prevent billowing and must fully enclose the open sides of the units in transit.

3. (3)(a) Rear-mounted stop and turn signal lights must be a minimum of six inches in diameter with a type 35 red reflector lens.

   1. (b) The lens must be mounted not more than 18 inches from the outer edge of the unit and not less than 15 inches or more than 8 feet above the road surface.
   2. (c) Houses, buildings, and structures not manufactured or built to be transported will not require tail, brake, or signal lights mounted on the structures, as a certified pilot and police escort vehicles provide sufficient warning of the intent to brake, turn, or stop.
4. (4) Two safety chains must be used, one on the right and left sides, but separate from the coupling mechanism connecting the tow vehicle and the mobile and manufactured home while in transit.

5. (5) Tow vehicles shall comply with the following minimum requirements:

   1. (a) conventional or cab-forward configuration must have a minimum wheelbase of 120 inches;
   2. (b) cab-over-engine tow vehicles must have a minimum wheelbase of 89 inches;
   3. (c) have a minimum of four rear tires; and
   4. (d) mirrors on each side of the tow vehicle must be arranged so that the driver can see the entire length of both sides of the towed unit.

6. (6)(a) A trailer used for mobile manufactured homes more than eight feet six inches wide, up to 12 feet wide, and equipped with one axle must have operational brakes.

   1. (b) A minimum of two axles equipped with operative brake assemblies is required on each mobile manufactured home unit more than 12 feet wide.

KEY: permits, safety regulations, size and weight, trucks

Date of Last Change: March 16, 2026

Notice of Continuation: April 30, 2024

Authorizing, and Implemented or Interpreted Law: 72-1-201; 72-7-406; 72-9-303; 41-1a-102; 41-1a-231; 41-1a-1206; 72-7-402; 72-7-404; 72-7-407; 72-9-301; 72-9-502