Green highway signs, also called guide signs, are everywhere, and we pass them by without much thought. But their design has ...

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 ...

Even without GPS you can stay oriented and drive confidently on unfamiliar highways and byways to get where you're going.

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 ...