ARS § 28-778

28-778 - Roundabouts; large trucks; definitions 28-778. Roundabouts; large trucks; definitions A. The operator of a vehicle or combination of vehicles with a total length of a least forty feet or a total width of at least ten feet, with due regard for all other traffic, may deviate from the lane in which the operator is driving to the extent necessary to approach and drive through a roundabout. B. When approaching or driving through a roundabout, a person who is driving a vehicle shall yield the right-of-way to the operator who is driving a vehicle or combination of vehicles with a total length of at least forty feet or a total width of at least ten feet through the roundabout at the same time or so closely in time as to present an immediate hazard and shall slow down or stop if necessary to yield. This subsection does not require a person who is driving a vehicle through a roundabout to yield the right-of-way to the operator of a vehicle or combination of vehicles with a total length of at least forty feet or a total width of at least ten feet that is approaching the roundabout. C. If two vehicles or combination of vehicles each having a total length of at least forty feet or a total width of at least ten feet approach or drive through a roundabout at the same time or so closely in time as to present an immediate hazard, the driver on the right shall yield the right-of-way to the driver on the left and shall slow down or stop if necessary to yield. D. The director or local jurisdiction, on highways under the applicable jurisdiction, shall post signs at all roundabouts, whether constructed before, on or after October 30, 2023. The signs shall include both of the following: 1. A yield sign before the roundabout entrance. 2. A sign, as outlined in subsection E of this section, before the roundabout entrance. E. The department shall: 1. Design a uniform and standard sign to convey the information that large trucks have the right-of-way or that vehicles should yield to large trucks in a roundabout. 2. Develop a uniform standard by which the sign is to be displayed along with the standard yield sign. F. For the purposes of this section: 1. "Collector street" means a street that serves or is intended to serve as the principal traffic way between large and separated areas or districts and that is the main means of access between arterial streets or as otherwise defined in a local jurisdiction's transportation plan. 2. "Local road" means a street that is usually in a residential area and that provides connectivity between a collector street and an arterial street for local traffic or as otherwise defined in a local jurisdiction's transportation plan. 3. "Roundabout": (a) Means a circular intersection or junction in which road traffic flows almost continuously in one direction around a central island. (b) For the purposes of subsection D of this section, does not include an intersection or junction that is located on a local road or a collector street.