Arizona Revised Statutes Title 28. Transportation § 28-337. High occupancy vehicle lane; lane degradation; priority use

A. In accordance with 23 United States Code § 166, the department shall develop procedures to monitor the impact that single occupancy vehicles authorized under §§ 28-2416 and 28-2416.01 have on the operation of the high occupancy vehicle lanes.

B. If a high occupancy vehicle lane becomes degraded due to the authorization of single occupancy vehicles authorized under §§ 28-2416 and 28-2416.01, use of the lane is restricted to the following vehicles in the following priority:

C. The department shall limit use to vehicles in the priority order prescribed in subsection B of this section and shall maintain those restrictions while the lane or portion of the lane remains degraded.

D. For the purposes of this section, a high occupancy vehicle lane is degraded if vehicles operating on the facility, or portions of the facility, are failing to maintain a speed of forty-five miles per hour or greater ninety per cent of the time over a consecutive one hundred eighty day period during morning and evening weekday peak hour periods.