Arizona Laws 28-709. Maximum speed limit for large vehicles and vehicles with trailers
A. Unless a lower maximum speed limit is posted or the department designates a greater maximum speed limit pursuant to subsection B of this section, a person shall not drive either of the following on a highway in this state at a speed that is greater than sixty-five miles per hour:
Terms Used In Arizona Laws 28-709
- Department: means the department of transportation acting directly or through its duly authorized officers and agents. See Arizona Laws 28-101
- Drive: means to operate or be in actual physical control of a motor vehicle. See Arizona Laws 28-101
- Driver: means a person who drives or is in actual physical control of a vehicle. 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
- including: means not limited to and is not a term of exclusion. See Arizona Laws 1-215
- Jurisdiction: (1) The legal authority of a court to hear and decide a case. Concurrent jurisdiction exists when two courts have simultaneous responsibility for the same case. (2) The geographic area over which the court has authority to decide cases.
- Person: includes a corporation, company, partnership, firm, association or society, as well as a natural person. See Arizona Laws 1-215
- State: means a state of the United States and the District of Columbia. See Arizona Laws 28-101
- Traffic: means pedestrians, ridden or herded animals, vehicles and other conveyances either singly or together while using a highway for purposes of travel. See Arizona Laws 28-601
- 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
1. A motor vehicle or vehicle combination with a declared gross weight of more than twenty-six thousand pounds, excluding a motor vehicle designed for carrying sixteen or more passengers, including the driver. For the purposes of this paragraph, "declared gross weight" and "vehicle combination" have the same meaning prescribed in section 28-5431.
2. A vehicle that is drawing a pole trailer that weighs six thousand or more pounds.
B. If the department determines on the basis of an engineering and traffic investigation of a highway under its jurisdiction that the designation of a maximum speed limit for vehicles prescribed in subsection A of this section that is greater than sixty-five miles per hour would facilitate the safe and orderly movement of traffic, the department may designate such a maximum speed for travel of those vehicles and shall erect signs at reasonable intervals giving notice of the speed limitation.