Final answer:
The correct distance one should not park within a fire hydrant is typically 15 feet, but this may vary by local laws. Parking near a hydrant is restricted to ensure that firefighters have unobstructed access in emergencies.
Step-by-step explanation:
The question relates to traffic laws and regulations concerning parking near a fire hydrant. In most jurisdictions, it is against the law to park too close to a fire hydrant, because it needs to be accessible at all times for firefighters in case of an emergency. The correct answer to the question, 'Never park your vehicle within __ feet of a fire hydrant' is typically B.15, but it's important to note that this distance can vary depending on local laws, so always check your local parking regulations to be sure. In general, parking too close to a hydrant is illegal because it can obstruct firefighter access, which can result in a reduction in their ability to quickly connect their equipment to the hydrant and may endanger lives and property during a fire.