A. On all roadways of sufficient width, a person shall drive a vehicle on the right half of the roadway except as follows:

Terms Used In Arizona Laws 28-721

  • 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
  • Golf cart: means a motor vehicle that has not less than three wheels in contact with the ground, that has an unladen weight of less than one thousand eight hundred pounds, that is designed to be and is operated at not more than twenty-five miles per hour and that is designed to carry not more than four persons including the driver. See Arizona Laws 28-101
  • Intersection: means the area embraced within the prolongation or connection of the lateral curb lines, or if none, the lateral boundary lines of the roadways of two highways that join one another at, or approximately at, right angles, or the area within which vehicles traveling on different highways joining at any other angle may come in conflict. See Arizona Laws 28-601
  • Neighborhood electric vehicle: means a self-propelled electrically powered motor vehicle to which all of the following apply:

    (a) The vehicle is emission free. 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
  • Population: means the population according to the most recent United States decennial census. See Arizona Laws 1-215
  • Private road or driveway: means a way or place that is in private ownership and that is used for vehicular travel by the owner and those persons who have express or implied permission from the owner but not by other persons. See Arizona Laws 28-601
  • 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. When overtaking and passing another vehicle proceeding in the same direction under the rules governing the movement.

2. When the right half of a roadway is closed to traffic while under construction or repair.

3. On a roadway divided into three marked lanes for traffic under the rules applicable on the roadway.

4. On a roadway designated and signposted for one-way traffic.

B. On all roadways, a person driving a vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall drive the vehicle in the right-hand lane then available for traffic or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway.

C. In an age restricted community that is located in an unincorporated area of a county with a population of more than three million persons, a person may drive a golf cart or a neighborhood electric vehicle on a paved shoulder that is adjacent to a roadway or as close as practicable to the right-hand curb or edge of a paved roadway if there is no delineated paved shoulder.

D. Defensive driving school courses that are offered by defensive driving schools operated pursuant to chapter 8, article 7 of this title and traffic survival schools operated pursuant to chapter 8, article 7.1 of this title shall include educational information relating to subsections A and B of this section. The department shall include information relating to subsections A and B of this section in any of the department’s examination, information and education materials.

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