The concept of the traffic light actually dates all the way back to the 1860s, where gas-lit signals were placed on the posh streets that lined the Houses of Parliament in London.

Traffic lights are a quintessential part of our everyday lives—especially here in the United States. They play a critical role in controlling the flow of traffic, able to turn the spigot of ...

At first glance, traffic lights are stunningly simple: green means go, red means stop, and yellow means it’s about to turn ...

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

MINNEAPOLIS (WCCO) - When we're stuck at a red light, it can seem like there's no rhyme or reason to how our traffic signals work.But, there is a huge system in place with the goal of shortening ...

His wife got a ticket for running a red light in 2013, which made Mr. Jarlstrom curious about how things work with American traffic lights. He is an electronics engineer who lives in Beaverton, ...

Seeing Green, a short film by Chevrolet, celebrates the many kinds of traffic lights that were in operation in the 1930s and explains the mechanics of coordinating lights across a city.

Many red lightsacross TampaBay are still not working and not every driver respects the rules of the road. So we asked police what motorists should do if they approach a non-working traffic light.

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 ...