Foreword
"Together, the united forces of our communication and transportation systems are dynamic elements in the very name we bear — United States. Without them, we would be a mere alliance of many separate parts." So stated President Dwight D. Eisenhower, who signed the Federal Highway Act of 1956, creating the Interstate Highway System.Since that time, America’s public infrastructure has grown into a vast network of roads, bridges, tunnels, wastewater management systems, airports, and transit systems — much of it aging quickly and badly in need of repair. The collapse of the I-35 W Mississippi Bridge in Minneapolis and the devastation…
