The story of America’s interstates is usually told as a straightforward tale of postwar progress, but the real origins are ...

Guide signs are green, but highway signs also come in many other colors. As previously mentioned, you can find yellow, orange ...

Praised as one of the greatest public works project in American history, the Interstate Highway System is about to turn 70. Love them or hate them. The interstate highways are the arteries of our ...

At first glance, the U.S. Interstate Highway system might seem like a logical grid-based masterpiece with a semblance of order behind its numbering system. Odd-numbered interstates run from north to ...

COLUMBIA, S.C. (AP) — The leader of South Carolina 's roads agency has been to so many groundbreaking ceremonies for highway projects that he has the whole routine down. Signs were printed, fancy ...