Here’s what it signals—and why it makes a ton of sense.

Transportation engineers at North Carolina State University have proposed that an additional color be added to existing traffic lights. This new color would be a white light, intended for the use of ...

The idea of a fourth traffic light has gone viral online, with several reports claiming that a white signal will soon join the familiar red, amber and green at road intersections. The reason, ...

Cars that drive themselves are no longer just a concept you'd see in sci-fi movies imagining the near future. Companies like Waymo are already using self-driving cars, and you can ride in a robotaxi ...