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 ...

The advent of self-driving cars could lead to a number of changes to traffic laws down the road, including a possible fourth traffic signal, researchers say. On top of the ubiquitous red, yellow and ...

They might be vertical, they might be horizontal, but otherwise, traffic lights have hardly changed in a hundred years. Red means stop, yellow means slow down, and green means go, a universal code ...

It's something many drivers loathe, but we all find ourselves waiting at traffic lights occasionally, and there are all sorts of rules drivers need to follow when they do so. After all, we require ...

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, ...