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

Traffic lights would enter a "white phase" when coordinating AVs through traffic. The lack of traffic light color would also indicate to human drivers that autonomous vehicles are being controlled.

Since 1913, traffic fatalities have fallen 95%, from over 33 deaths per 10,000 cars to less than two, according to the National Safety Council.

A study proves stoplights need a fourth color: white. Here’s what it signals—and why it makes a ton of sense.

Blue traffic lights is what happens when a language has one word that represents two different colors. ... This internationally recognized traffic light color system is standard in most of the world.

This includes that traffic lights should use the color green to signal 'go'. But Japan is one of several countries that haven't signed the treaty, alongside the United States, Ireland, and Bangladesh.

New research suggests that adding a white light will speed up traffic and improve safety for both cars and pedestrians. If you're comfortable with the present green, amber, and red traffic lights ...

Why the colors were chosen for traffic lights . There are a few reasons why the colors red, yellow, and green were chosen for traffic lights. Red is an obvious choice.

Traffic lights might see a fourth signal as self-driving cars become more practical. Getty Images/iStockphoto. The researcher’s latest plans differ from a 2020 model of a four-light intersection.

The yellow light didn’t enter the scene until the 1920s. William Potts, who was a police officer in Detroit, is credited with designing the first three- and four-way colored traffic lights.