Researchers from North Carolina State University proposed adding a new color, white, to stoplights for autonomous vehicles ...

Have you ever wondered how traffic lights know when to give you a signal? Reader Nick Shepard asked Bee Curious, a community-driven series in which The Sacramento Bee’s service journalism team answers ...

A new type of traffic light that's becoming increasingly popular in Massachusetts is confusing drivers, a study found.

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 ...

Deep inside a subway station in Brooklyn, in a cramped, industrial room, Dyanesha Pryor pushes in a metal lever on a hulking machine that was installed nearly a century ago. A few hundred feet away, a ...

CORPUS CHRISTI, Texas — Staples Street between McArdle and Holly is where the traffic signal lights are now synchronized. It is part of a city test to see if it can get all of the lights to turn green ...

A traffic signal has been the topic of local debate ever since it was installed four years ago. The problem now? That traffic ...