Every green light, red light, and split second of timing is part of an invisible system designed to keep millions of people safe this video uncovers how engineers control chaos at intersections and ...

A new study suggests a fourth, white traffic light could let self-driving cars manage intersections more efficiently ...

A viral claim about a new white traffic light for self-driving cars is based on research from North Carolina State University. While simulations suggest it could improve traffic flow, no transport ...