How far must you park from a fire hydrant in Arizona?

Answer: B — 15 feet

In Arizona, the law requires that vehicles must be parked at least 15 feet away from a fire hydrant. This distance is important to ensure that firefighters have necessary access to hydrants in case of an emergency. If a vehicle is parked too close, it can hinder firefighting efforts and potentially compromise the safety of those involved in a fire incident. By maintaining a 15-foot distance, you help ensure that fire departments can quickly hook up hoses to the hydrant without obstruction, which can be crucial in saving lives and property in the event of a fire. Other distances provided in the choices either do not comply with Arizona law or may be based on regulations from other locations, making them incorrect choices.