Early traffic lights had only red and green, which unsurprisingly made intersections rather chaotic. Who invented the yellow ...

Traffic lights help traffic flow by directing specific lanes to go and others to stop. Some are more complex and include signals for buses. But at the end of the day, they're devices with red, yellow, ...

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 ...

Local News Mass. drivers are baffled by these new traffic lights — here’s how they work Hybrid traffic lights, designed to make crossings safer, are confusing motorists across the state — and some ...

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 ...

The application has recently been caught testing support for traffic lights; the feature is still in a very limited testing ...

Traffic lights are an integral part of maintaining order among vehicles, cyclists, and pedestrians. And while an agreement has been in place since the late 1960s standardizing intersection lights ...

The city has reset traffic signals on a two-mile stretch to make it safer for cyclists. By James Barron Good morning. It’s Monday. Today we’ll find out what is different about a two-mile stretch of ...