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 ...

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 ...

Engineers are exploring a future white phase on U.S. traffic lights, showing how autonomous vehicles could coordinate movement at intersections.

If you're comfortable with the present green, amber, and red traffic lights, be prepared to get uncomfortable. New research suggests that adding a white light will speed up traffic and improve safety ...

Researchers at North Carolina State University (NC State) are advocating for a significant change in traffic management by proposing the addition of a fourth color to traffic lights: white. This new ...

Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...

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 ...

(CBS DETROIT) — Anyone who has gotten behind a wheel knows the feeling of being stuck at a red light, and researchers are working on ways to reduce that occurrence. One way to do this is by changing ...

Traffic lights are both common and controversial. From a city that only allowed green lights for drivers staying inside the speed limit, to the ethics of turning right on red, there are a ton of ways ...