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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS – There are many signs around ...

America's interstate signs used to be hand-painted on wood, then the whole network got an upgrade. Join Design For The Real World for a very close look at the design of the sign. We acknowledge ...