Traffic lights revolutionised road safety, beginning with a gas-powered signal in 1868 London. From the first electric light ...

Ah, the yellow light. You know, that signal that is supposed to let you know to slow down as you approach the intersection, but makes you speed up instead? You probably take it for granted, but ...

Smarter vehicles could mean some of the most dramatic changes for the traditional traffic signal since the yellow light was added more than a century ago As cars and trucks get smarter and more ...

As Charlotte adds red-light cameras next year, we verify the rules behind how long yellow lights must last at intersections.

The traffic light is a ubiquitous feature of modern life and is quite old — dating back to 1868 London, although that device was a modified railroad semaphore operated by a policeman, but it was the ...

Yellow lights often cause confusion because drivers do not know what to do when they encounter a yellow light signal. The rules are clear, but those rules have not made yellow light situations any ...

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 ...