On June 29, 1956, President Dwight Eisenhower signed the Federal-Aid Highway Act of 1956. The bill created a 41,000-mile “National System of Interstate and Defense Highways” that would, according to ...

The story of America’s interstates is usually told as a straightforward tale of postwar progress, but the real origins are stranger and more contested than the green signs suggest. The Dwight D.

It’s been called the 51st state, a perpetual motion machine, a journey with no end. It is the world’s largest public-works project. In a nation divided by geography and politics, the United States ...

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 ...

Think you know everything about the roads you drive every day? The American highway system is packed with surprising history, clever design choices, and ...

As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

For nearly a century, Route 66 has loomed larger in American culture than any other road. Also known as “America’s Main Street” and the “Mother Road,” it stretches from Chicago to California, crossing ...