The national highway interstate system celebrated 70 years of its official federal recognition.

Ever wondered how the highway and interstate numbers came to be? What do they even mean if they mean anything at all? Behind those numbered shields displayed on the signs is a mathematical logic grid ...

The United States of America features the world's longest road network, with the country's complex interstate system being the backbone that stitches all of its regions together into one coherent grid ...

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 ...

During the 1919 transcontinental convoy, soldiers use a winch to pull a truck out of a ditch. When the Pilgrims arrived at Plymouth Rock, they didn't just drop anchor, row ashore and hop onto ...