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 ...

(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 ...

State police answer motorists' questions in Ask a Trooper. This week's subject: Yellow lights, and what you're supposed to do. Have driving questions? Email [email protected] Lt. Rob Davis and ...

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 ...

The standard for judging whether to continue to proceed through an intersection with a yellow light is safety. Doug Dahl Courtesy to The Bellingham Herald Question: What is the standard for judging ...

Sitting at a red light can feel torturously long, but yellow lights often seem suspiciously short. It’s not all in your head: some yellow lights are too short. There is an ideal minimum length of a ...