A. A person shall not drive a motor vehicle at such a slow speed as to impede or block the normal and reasonable movement of traffic except when either of the following applies:

Terms Used In Arizona Laws 28-704

  • Director: means the director of the department of transportation. See Arizona Laws 28-101
  • Drive: means to operate or be in actual physical control of a motor vehicle. See Arizona Laws 28-101
  • 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
  • Implement of husbandry: means a vehicle that is designed primarily for agricultural purposes and that is used exclusively in the conduct of agricultural operations, including an implement or vehicle whether self-propelled or otherwise that meets both of the following conditions:

    (a) Is used solely for agricultural purposes including the preparation or harvesting of cotton, alfalfa, grains and other farm crops. 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
  • Person: includes a corporation, company, partnership, firm, association or society, as well as a natural person. See Arizona Laws 1-215
  • Property: includes both real and personal property. See Arizona Laws 1-215
  • Roadway: means that portion of a highway that is improved, designed or ordinarily used for vehicular travel, exclusive of the berm or shoulder. See Arizona Laws 28-601
  • 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

1. Reduced speed is necessary for safe operation or in compliance with law.

2. The reasonable flow of traffic exceeds the maximum safe operating speed of a lawfully operated implement of husbandry.

B. If the director or local authorities within their respective jurisdictions determine on the basis of an engineering and traffic investigation that slow speeds on any part of a highway consistently impede the normal and reasonable movement of traffic, the director or local authority may determine and declare a minimum speed limit below which a person shall not drive a vehicle except when necessary for safe operation or in compliance with law.

C. If a person is driving a vehicle at a speed less than the normal flow of traffic at the particular time and place on a two-lane highway where passing is unsafe and if five or more vehicles are formed in a line behind the vehicle, the person shall turn the vehicle off the roadway at the nearest place designated as a turnout by signs erected by the director or a local authority, or wherever sufficient area for a safe turnout exists, in order to allow the vehicles following to proceed. For the purposes of this subsection:

1. "Turnout" means a widened place in the street for vehicles to pass each other or temporarily park and includes a right turn lane.

2. "Vehicle":

(a) Means a device in, on or by which a person or property is or may be transported or drawn on a public highway.

(b) Includes all of the following:

(i) Electric bicycles, electric miniature scooters, electric standup scooters and devices moved by human power.

(ii) Personal delivery devices.

(iii) Personal mobile cargo carrying devices.