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.

Sharp-eyed motorists on Oahu may have glimpsed unique signs posted recently at a few spots along the H-1, H-2 and H-3 ...

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 ...

Ever wondered how the highway and interstate numbers came to be? What do they even mean if they mean anything at all? Behind those numbered shields displayed on the signs is a mathematical logic grid ...

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 ...

Seventy years ago, on June 29, 1956, President Eisenhower signed the Federal-Aid Highway Act of 1956, aka the National Interstate and Defense Highways Act, into law. It created the Dwight D.

There are moments on the interstate when the sun settles at the far end of the road and every car seems to be driving straight into its glow. Leslie Brown has spent nearly two decades as a truck ...

The Federal-Aid Highway Act of 1956, signed by President Dwight D. Eisenhower on June 29 of that year, funded the Interstate Highway System. Joining this transcontinental system, the Interregional ...