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 ...

The Bureau of Transportation Statistics estimates that 91% of summer trips will be via car and 250 to 499 miles each way. Today we look at our roads. Originally, California’s road signs were black ...