Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.

You notice changes to traffic lights can affect everyone on the road — especially when […] ...

Street signs have long been the way of controlling traffic in one southern Alberta town, but that will soon change. The Town ...

Roswell is installing emergency vehicle pre-emptive technology at all of its traffic signals. The emergency vehicles are equipped with GPS and communicate with the traffic signals. As the vehicles ...