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

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 ...

In the U.S., a yellow light comes up only in between the transition from green to red. That's not the case in several parts ...

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, ...

Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.

(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 ...

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 ...

Phoenix is testing longer yellow traffic lights at a dozen intersections to see if it reduces red-light running and associated crashes. Red-light running has "become one of the most severe causes of ...

WILLIAMSBURG, Va. (WAVY) – On Tuesday, Jan. 21, the Virginia Department of Transportation (VDOT) implemented a flashing yellow light arrow traffic signal at intersections in Williamsburg and York ...