Updated: Nov 13, 2022 / 10:05 AM CST (WHTM) — We see traffic lights all the time. Sometimes we sail past green lights, and sometimes we hit every red light on our commute to work.

Called semaphore traffic lights, they had retractable arms — similar to railroad crossing arms — with the words “stop” and “go” on them. They would also have only red and green lights.

Even the traffic lights themselves have improved. They now measure either eight or 12 inches in diameter and must be visible in every lighting condition. The older incandescent bulbs that ...

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

Researchers are exploring ways to use features in modern cars, such as GPS, to make traffic safer and more efficient. Eventually, the upgrades could do away entirely with the red, yellow and green ...

None of us really give much thought to traffic lights. We stop, we go, we occasionally mutter at the amber, and we get on ...

As cars and trucks get smarter and more connected, the humble lights that have controlled the flow of traffic for more than a century could also be on the cusp of a major transformation.

If you're thinking about visiting Vancouver, there's one particular traffic signal you should know about. Here's what it is, why it happens, and what it means.

William Potts, who was a police officer in Detroit, is credited with designing the first three- and four-way colored traffic lights. The amber light was introduced during this time.

In British Columbia, all of these blinking green lights mean the same thing. However, drive across the country to Ontario, and the traffic signage can get confusing.