Traffic signs have to communicate crucial information quickly and simply, to anyone who might be on the road. They use letters and numbers to lay out information in plain language but they also use ...

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

When you first learned to drive, you were likely given a guide to the various road signs and their meanings. Whether it was in a formal Driver’s Education class or through a state-issued driver’s ...

AN experimental study has compared six layouts of advance road direction signs. This communication is concerned with three of these, at present displayed in Great Britain, the Continent and the United ...

Most road signs are easy to understand, as they're pretty literal. Do Not Enter simply means to stay away from that certain area. Speed Limit 55 tells you that you shouldn't go over 55mph. No Passing ...

PENNSYLVANIA (WHTM) — We see them every time we are on a highway or road: traffic signs. But did you know that PennDOT categorizes these signs? According to PennDOT, signs are divided into three ...