Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...

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. Seeing Green, ...

Traffic lights are an integral part of maintaining order among vehicles, cyclists, and pedestrians. And while an agreement has been in place since the late 1960s standardizing intersection lights ...

MURRYSVILLE, Pa. — Thousands of cars pass through the traffic lights on William Penn Highway or Route 22 every day. Recently, the age of the system has been showing. Murrysville Chief Administrator ...

It would be awesome if every time WAPA is off the grid, that our traffic lights would continue to work because a solar battery or a mini generator has been installed into the system for the sake of ...