Red is used exclusively for regulatory road signs prohibiting doing something. So, a stop sign is red because you are ...

GREENVILLE, N.C (WNCT) – Do you remember when you got your driver’s license and how excited when you passed? As time progresses, many people seem to forget the rules of the road. Myvision.org surveyed ...

You have probably driven on Indian highways and noticed the familiar green signboards with white lettering guiding you to cities, exits, and distances. But have you ever wondered why green was chosen ...