Red means stop, green means go - but what about blue? You may have seen blue lights on top of traffic signals at some ...

A small blue light shines on the backside of a traffic signal at the intersection of Broadway and Everett Avenue on Sunday, Dec. 11, 2022, in downtown Everett, Washington.

While “go” signals in Japan are generally green or a shade of blue-green, and the ancient days of identifying colors by just four categories are far behind us, Yamagata says there’s no stop ...

Unlike the elusive blue stop sign, pink traffic signs are more common than you think. And no, you don’t have to hit up the Happiest Place on Earth to see them, like you do with those purple ...

You might have seen traffic lights in Japan that are a little different to what you're used to. Instead of being red, amber, and green, the last light on the signal might be blue, or perhaps an ...

Blue Ash offers tips on how to approach situations. ... When replacing a traffic signal, they reduce crashes by 48%, and serious injury and fatal crashes by nearly 80%.