Final answer:
You should pull to the curb side of the road and stop if possible when an emergency vehicle approaches from the front to allow it a clear path.
Step-by-step explanation:
When an emergency vehicle approaches you from the front, the correct action is to pull to the curb side of the road and stop if possible. It is important for the safety of everyone on the road and for the efficiency of the emergency response that vehicles do not impede the progress of emergency vehicles like ambulances, fire trucks, or police cars. By pulling over, you ensure that the emergency vehicle has a clear path. In reviewing various scenarios related to traffic rules and emergency situations, such as hearing the Doppler shift in an ambulance siren, it becomes clear that the priority is always to act quickly and safely to allow emergency responders to reach their destination without delay.