How should drivers react to emergency vehicles with flashing lights?

Answer: B — Pull over to the side of the road and stop

When encountering emergency vehicles with flashing lights, the proper reaction for drivers is to pull over to the side of the road and stop. This action ensures that the emergency vehicle can pass safely and quickly, allowing it to respond to calls for assistance. Stopping provides a clear path for the emergency responders, which is critical in urgent situations where every second counts. It’s important to note that simply speeding up or continuing at the same speed can obstruct the emergency vehicle's path, potentially delaying critical services. Also, stopping only when the emergency vehicle is directly in front of you can lead to dangerous situations, especially if the vehicle is trying to navigate through traffic. Thus, pulling over and stopping is the safest and most responsible action drivers can take in this scenario.