books.google.fr - When the automobile first made long-distance travel practical for the average American, a dramatic change began in the country's physical and cultural landscape. Road design and construction were challenged to keep pace with the automobile's rapidly advancing capabilities and number. And as real mobility...http://books.google.fr/books/about/The_American_highway.html?hl=fr&id=Dzv2oZM5_38C&utm_source=gb-gplus-shareThe American highway
