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?

Looking into your rearview mirror and seeing the flashing lights of a police car behind you is likely one of the last things you want to see as a driver. After all, most of us associate those flashing ...

RALEIGH, N.C. (WNCN) — A CBS 17 viewer reached out, concerned that too many drivers are using amber colored flashing lights when there’s no need. “I don’t think that there’s really any ill intent of ...