Traffic lights today are controlled by computers and other purpose-built systems, but what did people do before computers ...

University of Michigan researchers have worked with General Motors in Oakland County on better traffic signal timing.

PLAINS TOWNSHIP, LUZERNE COUNTY (WBRE/WYOU)— A traffic signal has been the topic of local debate ever since it was installed four years ago. The problem now? That traffic light still has not been ...

The idea of a fourth traffic light has gone viral online, with several reports claiming that a white signal will soon join the familiar red, amber and green at road intersections. The reason, ...

For many motorists, the amber traffic signal is more a challenge than a warning: instead of slowing down, they speed up, trying to beat the light before it changes. It is a hazardous practice, since ...

Q: What are the rules about crosswalks at intersections with signal lights? Many people think that if they are in a crosswalk and the light is green for the automobile, they can still cross. Please ...