Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights perched near traditional red, yellow and green signals. They are not decorative ...

Small blue lights are quietly appearing above intersections in several states, helping police catch red-light runners while keeping intersections safer.

It’s the last stretch to the much-anticipated Christmas break, and we’re already daydreaming about our vacations. One thing that could ruin a great start to a vacation is an unexpected traffic fine.