“An unbroken ribbon of concrete cutting through mountains and across valleys, bypassing towns. No stop signs, no intersections, no speed limits. The Pennsylvania Turnpike was the first of its kind and received nationwide acclaim as an engineering marvel. It was touted as America’s first superhighway when it opened on October 1, 1940, and was the national standard for superhighway design and engineering.” That is how the Pennsylvania Turnpike Commission (PTC) describes the Pennsylvania...