This is most common at night. Another situation may be if the siren begins to stress out the patient inside the ambulance. If ...

In the history of mobile emergency signaling, lights were a late addition. When New York City launched its first ambulance service in 1869, the horse-drawn vehicles sounded a gong to get folks ...

BRUNSWICK COUNTY, NC (WECT) - Brunswick County's newest ambulance is designed to get drivers' attention at stop signs and lights. When braking, the lights in the top corners on the back of the ...

Generally, if an ambulance has its lights on but not its sirens, it means that the emergency isn't critical and clearing traffic isn't immediately necessary. ... This is most common at night.