The cars communicate with Las Vegas' traffic light management system through 4G LTE mobile data and then display a countdown letting drivers know when a light will turn green. Audi claims the ...

As children, we stood crouched and ready but waited for the shout of 'GO!' before sprinting from the starting line. As adults, we wait until the traffic light turns green before making a turn.

It's been about three years since drivers in Colorado Springs first saw these metering traffic lights on I-25 on-ramps, but state traffic engineers say there aren't enough up and running to ...

Sunday marks 150 years since the world’s first traffic light was installed close to Westminster Bridge in London, though its first appearance in the UK was brief following a disaster.