Praised as one of the greatest public works project in American history, the Interstate Highway System is about to turn 70.

the interstate highway system changed life as we know it. Now these systems are about to turn 70 years old. How did we get here and what can be improved? Up until the mid-20th century, most roads ...

Three sinkholes have appeared on the section of Route 80 that opened in 1960. Questions surround the contractor, but is there more to it?

Here are the 11 longest highways in America, linking major cities and beautiful landscapes across the country.