Traffic lights follow the same green-amber-red order during the day, but at night, some of them switch to flashing certain colors. Why does that happen?

We all know the same old boring drill. You pull up to an intersection, the light turns red, and you wait. You stare at the ...

Drivers often overlook the small black boxes near intersections. But the technology inside them is cleverly changing how traffic lights react to the road.

Traffic light countdown timers are common in Europe and Asia. The U.S. has resisted them for decades, and the reasons are ...

Add Yahoo as a preferred source to see more of our stories on Google. A new set of traffic lights was recently activated at the intersection of Fowler and Olive avenues in southeast Fresno, which ...