Book excerpt: From animal paths to superhighways, transportation has been the backbone of American expansion and growth. This examination of the interstate highway system in the United States, and the forces that shaped it, includes the introduction of the automobile, the Good Roads Movement, and the Lincoln Highway Association. The book offers an analysis of state and federal road funding, modern road-building options, and the successes and failures of the current highway system. Instructors considering this book for use in a course may request an examination copy here.