Ambulances, fire and law enforcement department vehicles shall have the right-of-way when responding to an emergency. The driver of every vehicle, after receiving an audible signal, shall drive his vehicle near to the right-hand curb of the street and stop and remain in such position until the emergency vehicle shall have passed. Every driver of a vehicle approaching the intersection of a street shall grant the right-of-way to any vehicle approaching from his right. (Prior code § 9-112)