400+ Ancient Maya Cities Connected by “Superhighways”
Featured in Ripley's Believe It or Not!
President Dwight D. Eisenhower signed legislation to fund the U.S. Interstate Highway System (IHS) on June 29, 1956. This move satisfied a decades-old dream of uniting the nation from “sea to shining sea.” It also killed a couple of birds with one stone. First, it provided escape routes for Americans should the Cold War deteriorate into a nuclear conflict. Second, it let Eisenhower capitalize on lessons learned from Europe’s Autobahn and the First Transcontinental Motor Convoy.