Green highway signs, also called guide signs, are everywhere, and we pass them by without much thought. But their design has a big role in getting us where we need to go safely. Why are highway signs ...

Most of us have grown up recognizing the classic red octagonal stop sign as an unmistakable symbol of caution and order on the road. So, when a blue stop sign appears, it can be both puzzling and ...

Knowing about the common road signs is not enough. One must be able to recognize them immediately and obey them without hesitation. The importance of an in-depth knowledge of road signs and signals in ...