THE 10 common road signs that even the most experienced drivers often forget, according to driving instructors and traffic ...

The blue lights on top of traffic signals, also known as confirmation lights, are designed to assist law enforcement detect ...

Where You Can Find Blue Traffic Lights. You can file blue traffic lights in the same category as blue stop signs when it ...

Here’s how they work and what are they used for: • Signal activation. The blue lights are wired into the traffic signal system and turn on when the traffic light changes to red.