Since its official discovery in 1861 by Ed Berthoud and mountain man Jim Bridger, Berthoud Pass has been an important transportation route over the Continental Divide. At more than 11,000 feet in the Rocky Mountains, and coupled with its large number of switchbacks, it has become one of the most beautiful and widely used mountain passes in the West. Henry Ford s inexpensive Model T opened up America to the masses and in the 1920s, following early struggles in road development, a successful construction project gave way to the Golden Age of Automobile Touring. A solid road, US Highway 40, was...