A. The gross weight imposed on the highway by the wheels of any one axle of a vehicle shall not exceed twenty thousand pounds, except that:

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Terms Used In Arizona Laws 28-1099

  • Bus: means a motor vehicle designed for carrying sixteen or more passengers, including the driver. See Arizona Laws 28-101
  • Director: means the director of the department of transportation. 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
  • highway: means the entire width between the boundary lines of every way if a part of the way is open to the use of the public for purposes of vehicular travel. See Arizona Laws 28-101
  • Local authority: means any county, municipal or other local board or body exercising jurisdiction over highways under the constitution and laws of this state. See Arizona Laws 28-101
  • State: means a state of the United States and the District of Columbia. See Arizona Laws 28-101

1. The director may issue a special permit pursuant to section 28-1103 for the purpose of moving road machinery that exceeds the maximum weight specified in this section from job to job within this state and from job to place of servicing and return within this state.

2. Any over-the-road bus may exceed the maximum single axle weight limit but shall not exceed twenty-four thousand pounds. For the purposes of this paragraph, "over-the-road bus" means a bus characterized by an elevated passenger deck located over a baggage compartment.

B. This section does not limit in any manner the power of the director and a local authority to issue a special permit pursuant to section 28-1103.

C. For the purposes of this article, the gross weight imposed on the highway by the wheels of any one axle equals the total load transmitted to the road by all wheels whose centers are included between two parallel transverse vertical planes forty inches apart, extending across the full width of the vehicle.