What should a driver do when they hear a siren while driving?

When a driver hears a siren, the appropriate action is to pull over to the right or left to allow emergency vehicles to pass. This response is crucial for ensuring the safety of both the driver and emergency personnel. It helps clear the way for police cars, ambulances, or fire trucks that may need to reach an emergency situation as quickly as possible.

Pulling over is not only a matter of courtesy; it's also a legal requirement in many regions. Drivers are trained to recognize emergency signals and respond by yielding to the right-of-way. This action can prevent accidents and traffic congestion that might arise if drivers ignore the siren and continue moving.

The other options do not promote safety or compliance with traffic laws. Speeding up could endanger others and potentially lead to a collision, while stopping in place may obstruct the emergency vehicle's path. Turning off the road could be appropriate under certain circumstances, but the standard response in most situations is to pull to the side of the road rather than taking those alternative actions.