Most drivers recognize red, blue, and amber emergency lights. But what about green lights?
If you’ve ever spotted a vehicle with a flashing green light and wondered what it meant, you’re not alone. Many people assume it’s an unmarked police vehicle or some type of emergency responder. In reality, green lights often serve a very different purpose.
While regulations vary by state and country, green lights are commonly associated with certain medical transport services, volunteer responders, or other authorized vehicles that need courtesy from fellow drivers—but do not have the
