Before we’re old enough to even see over the dashboard, we learn that green means go and red means stop. This internationally ...

The blue lights on top of traffic signals, also known as confirmation lights, are designed to assist law enforcement detect ...

Over time, the big, clunky “gumball” lights were replaced with sleeker, more advanced light bars. Today’s police vehicles use ...

There have been some questions about what certain lights mean at that intersection, specifically some blue lights on top of the traffic lights.

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. The lights are designed ...

The country we are talking about is Japan, a technologically advanced nation famed for its booming economy and high living standards. But why does Japan use blue traffic lights, instead of green?.

Question: I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish light that’s near the traffic lights.

At first glance, traffic lights are stunningly simple: green means go, red means stop, and yellow means it’s about to turn red. But like cars, phones, and just about everything else on this ...

Japanese traffic lights are blue instead of the green Americans know, but the reasoning involves some complex linguistic ...