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 ...

You're driving, hear your cell phone ping and happen to be waiting for an important text message. The traffic light ahead turns yellow, then red. Is it legal to read the text? The answer is no, ...

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 ...