When you’re driving down the highway, you naturally pay attention to traffic signs. But do you ever think about why they look the way they do or why they’re a certain color? Take the green ones. Green ...

US Route 20 starts in Boston, Massachusetts, and ends in Newport, Oregon. It's America's longest highway, measuring approximately 3,365 miles. However, nobody needs to drive for almost four days to ...

Red is used exclusively for regulatory road signs prohibiting doing something. So, a stop sign is red because you are prohibited from driving past it without stopping. “Yield,” “do not enter,” no left ...

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 ...