You may have noticed some traffic lights with a white light that works independently of the others. They're not for normal ...

Whether you’re in a car, on a bike, or simply stepping into a crosswalk, you should always pay attention to traffic lights. The simple green-yellow-red light system, which has been standard in the ...

I must be penny-wise and pound-foolish. After all, somehow, the small gripes that cost me a few seconds always end up turning into massive research projects. My article in February on Salt Lake City ...

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 ...

Judging by a famous piece of footage showing a trip down Market Street in San Francisco circa 1906, traffic was a dangerous free-for-all in those days. Horses, cars and pedestrians, all getting in ...

MINNEAPOLIS — It lasts mere seconds but can feel like minutes. Getting stuck at a red light, especially with no traffic around, is frustrating at times. We wanted to learn: How are traffic lights ...