A.R.S. § 28-721: Right Lane Driving Rule
Driving on right side of roadway; driving on shoulder; exceptions; education
Do you have to drive in the right lane in Arizona?
In Arizona, drivers must generally stay on the right half of the road and slower vehicles must keep to the right lane or near the right curb, with exceptions for passing, construction, three-lane roads, one-way streets, and left turns, and in age-restricted communities in unincorporated areas of counties with more than three million people, golf carts and neighborhood electric vehicles may use paved shoulders.
Full statute text
Official text last checked against azleg.gov:
28-721. Driving on right side of roadway; driving on shoulder; exceptions; education
A. On all roadways of sufficient width, a person shall drive a vehicle on the right half of the roadway except as follows:
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.
AI-drafted summary, not attorney-reviewed. Statute text verified against azleg.gov. Legal information, not legal advice — consult a licensed attorney for your situation.