If you’ve seen talk about a white traffic light or images of a signal with an unfamiliar fourth color, you’re not imagining it. With everything drivers already pay attention to at intersections, ...

Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights perched near traditional red, yellow and green signals. They are not decorative ...

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

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 ...

Those blue lights above traffic signals aren’t decorative. Here’s what they’re for and why more cities are installing them. Blue confirmation lights help police spot and enforce red-light violations ...

Your average driver might like to bemoan them, but traffic lights play an integral part in not only controlling traffic patterns in urban and suburban areas, but also helping to keep drivers and ...

NASHVILLE, Tenn. (WSMV) - The Nashville Department of Transportation (NDOT) is rolling out the city’s first ever “Smart Signal” traffic lights at 36 intersections along Lebanon Pike. The new ...