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 ...

But war changed all that. More than a century later, nearly 50,000 miles comprise the U.S. Interstate System, a network of controlled-access highways that pass through—or around—all 50 states ...

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