The amber light was introduced during this time. Why the traffic light colors were chosen There are a few reasons why the colors red, yellow and green were chosen for traffic lights.

Today, 101 years after the installation of the first modern, three-lens traffic light, yellow is the new green. Red is the new yellow. Green is the new red. It’s all very mystifying.

We see traffic lights all the time. Sometimes we sail past green lights, and sometimes we hit every red light on our commute to work.

Red, yellow, green ... and white? Smarter vehicles could mean big changes for the traffic light 1 / 3 Smarter Traffic Lights ...

PEOPLE are only now realising why traffic lights are red, amber and green – and it’s not down to what you might think. The colours, which appear on traffic lights across the world, were chosen ...

Researchers say drivers might spend a lot less time waiting for the lights to change if cities added a fourth white traffic light colour to the familiar red, yellow, and green.

Smarter vehicles could mean some of the most dramatic changes for the traditional traffic signal since the yellow light was added more than a century ago ...

Smarter vehicles could mean some of the most dramatic changes for the traditional traffic signal since the yellow light was added more than a century ago.

Researchers are testing how to tap into the new technology found in the U.S. vehicle fleet to directly influence traffic signals and reduce congestion.