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. Of course, back then ...

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 ...

Later this year, a Queensland council will trial Australia’s first traffic light system powered by artificial intelligence ...

Navigation apps already know where stop signs and traffic lights are located, mainly because vehicles on the road stop in front of them. These applications collect traffic data that help them ...

Each time a driver in Seattle meets a red light, they wait about 20 seconds on average before it turns green again, according to vehicle and smartphone data collected by analytics company Inrix. The ...

Transportation engineers at North Carolina State University have proposed that an additional color be added to existing traffic lights. This new color would be a white light, intended for the use of ...

Have you ever wondered how traffic lights know when to give you a signal? Reader Nick Shepard asked Bee Curious, a community-driven series in which The Sacramento Bee’s service journalism team answers ...

While we may be used to seeing cameras on top of traffic lights at major intersections, they're used for more than simply watching out for red-light runners. In fact, there are two main types of ...