When a lighted intersection isn’t functioning properly, the lights for one set of lanes typically begin flashing red, and the adjacent set of lights typically begin flashing yellow. Knowing what to do ...

Every few seconds at intersections across the United States, a driver sitting in a left-turn […] ...

Any motorist who has ever waited through multiple cycles for a traffic light to turn green knows how annoying signalized intersections can be. But sitting at intersections isn't just a drag on drivers ...