At first glance, traffic lights are stunningly simple: green means go, red means stop, and yellow means it’s about to turn red. But like cars, phones, and just about everything else on this planet, ...

Traffic lights along a 32-mile stretch of U.S. 1 will stay green longer when buses approach thanks to special devices that ...

In British Columbia, all of these blinking green lights mean the same thing. However, drive across the country to Ontario, and the traffic signage can get confusing.

Over the past 2 years, 230 intersections in Flanders were equipped with “intelligent traffic lights”, lights that take into account how busy roads are. Today 200,000 motorists and other road users ...