Emergency vehicles responding to a call may disregard which of the following?

Emergency vehicles responding to a call have the authority to disregard specific traffic laws to facilitate their rapid response. Among the options provided, the correct choice highlights the ability of these vehicles to disregard stop signs and red lights. This is crucial in emergency situations where every second counts, and adherence to these signals could impede their ability to reach a scene swiftly.

Emergency responders often utilize lights and sirens to alert other drivers of their approach, allowing them to navigate through intersections safely despite disregarding standard traffic signals. This doesn't grant them a free pass for all traffic laws; they must still proceed with caution and prioritize public safety.

While it's true that emergency vehicles may have certain exemptions, they are not permitted to disregard all traffic laws universally, which is why the option mentioning all traffic laws would be misleading. Similarly, parking regulations are typically maintained unless they pose a direct conflict with the emergency response; hence, emergency vehicles may still need to comply with those based on the circumstances. Therefore, the option that specifies stop signs and red lights accurately captures the specific traffic rules that can be overridden in the context of responding to an emergency call.