In addition to other equipment required in this article, the following vehicles shall be equipped with the following equipment under the conditions stated in section 28-928:

Terms Used In Arizona Laws 28-929

  • Bus: means a motor vehicle designed for carrying sixteen or more passengers, including the driver. See Arizona Laws 28-101
  • Gross weight: means the weight of a vehicle without a load plus the weight of any load on the vehicle. See Arizona Laws 28-601
  • Pole trailer: means a vehicle that is all of the following:

    (a) Without motive power. See Arizona Laws 28-601

  • Semitrailer: means a vehicle that is with or without motive power, other than a pole trailer or single-axle tow dolly, that is designed for carrying persons or property and for being drawn by a motor vehicle and that is constructed so that some part of its weight and that of its load rests on or is carried by another vehicle. See Arizona Laws 28-101
  • Trailer: means a vehicle that is with or without motive power, other than a pole trailer or single-axle tow dolly, that is designed for carrying persons or property and for being drawn by a motor vehicle and that is constructed so that no part of its weight rests on the towing vehicle. See Arizona Laws 28-101
  • Truck: means a motor vehicle that is designed, used or maintained primarily for the transportation of property. See Arizona Laws 28-601
  • Truck tractor: means a motor vehicle that is designed and used primarily for drawing other vehicles and that is not constructed to carry a load other than a part of the weight of the vehicle and load drawn. See Arizona Laws 28-101

1. On a bus or truck regardless of size, on the rear, two reflectors, one at each side, and two stoplights.

2. On a bus or truck eighty inches or more in overall width, in addition to the requirements in paragraph 1 of this section:

(a) On the front, two clearance lamps, one at each side.

(b) On the rear, two clearance lamps, one at each side.

(c) On each side, two side marker lamps, one at or near the front and one at or near the rear. Vehicles that exceed thirty feet in length shall have a third side marker lamp at the midpoint between the front and rear marker lamps.

(d) On each side, two reflectors, one at or near the front and one at or near the rear. Vehicles that exceed thirty feet in length shall have a third reflector at the midpoint between the front and rear reflectors.

3. On a truck tractor:

(a) On the front, two clearance lamps, one at each side.

(b) On the rear, two stoplights.

4. On a trailer or semitrailer with a gross weight of more than three thousand pounds:

(a) On the front, two clearance lamps, one at each side.

(b) On each side, two side marker lamps, one at or near the front and one at or near the rear. Vehicles that exceed thirty feet in length shall have a third side marker lamp at the midpoint between the front and rear marker lamps.

(c) On each side, two reflectors, one at or near the front and one at or near the rear. Vehicles that exceed thirty feet in length shall have a third reflector at the midpoint between the front and rear reflectors.

(d) On the rear, two clearance lamps, one at each side, and two reflectors, one at each side, and two stoplights.

5. On a pole trailer with a gross weight of more than three thousand pounds:

(a) On each side, one side marker lamp and one clearance lamp that may be in combination, to show to the front, side and rear.

(b) On the rear of the pole trailer or load, two reflectors, one at each side.

6. On a trailer, semitrailer or pole trailer with a gross weight of three thousand pounds or less:

(a) On the rear, two reflectors, one on each side.

(b) Two stoplights on a trailer or semitrailer if it is loaded in such a manner or is of such dimensions as to obscure the stoplight on the towing vehicle.