The US interstate system transformed travel and commerce but also left a complex legacy of divided communities.

For a long time, the U.S. Interstate Highway System was the longest in the world at over 46,000 miles, but its construction ...

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Driving from California to Vermont, as I did this summer, offers time to think and plenty to look at. The vast interstate highway system that I followed for much of my journey, championed by President ...

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 ...

America's interstate highway system, launched more than 60 years ago, now carries far more vehicles than it was originally built for and is in dire need of repairs and improvements. The U.S. has ...