The development of the interstate highway system in the mid-20th century revolutionized American travel, transforming not ...

Believe it or not, highway numbers actually make sense. Here's the logic behind odd and even routes, and why the system isn't ...

You’ve driven on them your whole life, zipping from state to state on family vacations or just commuting to work. The U.S.

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 ...