The Pennsylvania Turnpike

See how the Pennsylvania Turnpike proved the doubters wrong and came to be known as the World's Greatest Highway. The Pennsylvania Turnpike is one of the best-known highways in the United States. Most Pennsylvania Turnpike travelers are unaware that its construction was inspired by the route of the never-completed South Pennsylvania Railroad. In the 1930s, men of great vision conceived, planned, and built the nation's first long-distance superhighway using the abandoned railroad's partially...