Traffic engineers are quietly working on a radical idea: adding a white signal to the familiar red, yellow, and green.

You notice changes to traffic lights can affect everyone on the road — especially when […] ...

As more self-driving cars enter roadways around the world, many aspects of driving could change forever. More electric vehicles (EVs) and autonomous vehicles (AV) are already leading engineers to ...

Those blue lights above traffic signals aren’t decorative. Here’s what they’re for and why more cities are installing them. Blue confirmation lights help police spot and enforce red-light violations ...

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 ...