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

Drivers approaching traffic lights know green means go and red means stop. But the yellow light sandwiched in the middle? People tend to interpret that in various ways. And yellow lights give drivers ...

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 ...

On Feb. 3, 1965, members of the Sebewaing Woman’s Club met at the home of Mrs. John Konkle in that small Michigan town to hear about the life of William L. Potts, an influential inventor known as “Mr.

Chicago has the nation’s largest red light camera system and the shortest allowable yellow lights — a unique and dangerous combination that makes rear-end crashes more likely across the city, a ...