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

The light just turned yellow and you've got a tough decision to make. Braking doesn't seem right – you're going too fast for a smooth stop. But continuing to drive also doesn't seem right – the light ...

The ABC15 Investigators found most large Arizona cities time their yellow lights shorter than the national traffic engineering standard, even as our state has the worst death rate for red-light ...

Have you ever noticed that the traffic light on a busy road with a higher speed limit stays yellow longer than a road with a slower speed limit? This length, known as the yellow change interval, is ...

A Swedish-born engineer who campaigns for longer-lasting yellow traffic lights has won the attention of an important traffic organization. Red-light cameras have motivated cities to shorten yellow ...

(WHTM) — We see traffic lights all the time. Sometimes we get green lights, and sometimes we hit all the red lights on our commute to work. But, while sitting at a red light, have you ever wondered ...

PHOENIX — Big changes are coming to Phoenix intersections that could decrease crashes and help save lives. Kini Knudson, the director of the Street Transportation Department for the city of Phoenix, ...

It feels like it happens nearly every time you get behind the wheel. You’re approaching an intersection with a green light that suddenly switches to yellow. If you keep driving, you’ll probably just ...

We have just enough of a small chance for isolated showers that we have a yellow light on the Car Wash Forecast for today and ...

FDOT removes a flashing yellow light arrow at Okeechobee Boulevard and Baywinds Drive following complaints and a serious crash.