WASHINGTON – The future of the U.S. Interstate Highway System is threatened by a persistent and growing backlog of structural and operational deficiencies and by various looming challenges, such as ...

There are a number of different road designations in the United States, from highways and freeways to interstates and routes, and it can cause some confusion with different laws and regulations.

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 ...

At first glance, the U.S. Interstate Highway system might seem like a logical grid-based masterpiece with a semblance of order behind its numbering system. Odd-numbered interstates run from north to ...

There were roads across the United States before 1926, but they weren’t systematically named, numbered or otherwise organized. Instead, the country was crisscrossed by a series of loosely connected ...