What is required of all traffic when an authorized emergency vehicle approaches with a siren or flashing light?

Answer: B — Yield the right-of-way

When an authorized emergency vehicle approaches with a siren or flashing light, it is essential for all traffic to yield the right-of-way. Yielding means that drivers must safely and promptly move their vehicles out of the way, allowing the emergency vehicle to pass without obstruction. This is crucial because emergency vehicles often need to respond quickly to situations such as accidents, fires, or medical emergencies, and any delays can have serious consequences. Yielding the right-of-way typically involves pulling over to the side of the road and stopping, allowing the emergency vehicle to continue on its path. This action is mandated by law in many regions, ensuring that emergency responders can access the scene of an incident as swiftly and effectively as possible. This rule promotes road safety and minimizes the risk of accidents when emergency vehicles are present.