In the U.S., a yellow light comes up only in between the transition from green to red. That's not the case in several parts ...

Before we’re old enough to even see over the dashboard, we learn that green means go and red means stop. This internationally recognized traffic light color system is standard in most of the world.

Your browser does not support the video element. Your browser does not support the video element. Someday, maybe, you'll be driving like usual, and you'll stop at a ...

If you've ever wondered how traffic lights work and how they can detect your car, you've probably also been curious about those small blue lights mounted above the signals themselves. These blue ...

As cars and trucks get smarter and more connected, the humble lights that have controlled the flow of traffic for more than a century could also be on the cusp of a major transformation. Researchers ...

Someday, maybe, you'll be driving like usual, and you'll stop at a red light, as usual. You'll take the opportunity to sneak a peek at the car next to you, and the guy behind that wheel — if there's a ...