traffic lights

Traffic lights used to only have two colors and they used loud buzzers to warn drivers to stop

It was a much more chaotic time

Why a new color hasn’t been added to traffic lights in over a century, as white lights may now be introduced

Traffic lights have been a feature of every car journey all over the world for over a century, flashing red, yellow, and green, but this could change as a white light may now be introduced. Those colorful lights are used to control the flow of traffic and to avoid collisions at intersections with many different […]

How a white traffic light would actually work as North Carolina tests a fourth signal that could change driving forever

The white traffic light would work in conjunction with autonomous vehicles

A single traffic light in California took $2,400,000 and 10 months to turn on

This is one of the most expensive traffic lights in the world

North Carolina may add a fourth color to traffic lights to have a big impact on driving experience

What if the next set of traffic lights you stopped at had four colors instead of three? In North Carolina, that’s an actual plan being explored by university engineers. They say a new light could help drivers know when self-driving cars are taking control at intersections. And if it works, it could make traffic faster, […]

Massachusetts’ new red light is so confusing you might not understand it, and one in four drivers run it

Drivers are stopping or going through the lights when they shouldn’t be

Some of the small cameras on top of traffic lights in America aren't for traffic enforcement at all

They’re not what you think they are