The Pedestrian Hybrid Beacon (or HAWK Beacon) uses yellow and red lights to bring traffic to a stop before signaling ...

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 ...

Imagine living in a neighborhood where you and everyone else in your neighborhood needs to turn left in order to get to work. What would you do if the traffic light was so short that it took multiple ...