Since the Interstate highway system was created from whole cloth, rather than emerging through the years, it shouldn’t come as a surprise that there is a defined logic to the numbering system that ...

Seventy years ago, on June 29, 1956, President Eisenhower signed the Federal-Aid Highway Act of 1956, aka the National ...

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.