The eastern United States may have been more densely-packed than the Midwest or western United States, but that doesn't exempt them from having some famous high speed lines. Far from glamorous, or far from any cities, these Appalachian interurbans helped connect the farmlands of Pennsylvania with the major city centers of Philadelphia and Pittsburgh, providing new opportunities for workers and their families across the state. The most famous of these is the Philadelphia & Western Railroad, now referred to as the SEPTA Norris Town High Speed Line. This 102-year-old railroad rose from almost nothing to become one of the most unique and fastest railroads in America, and you'll find out why and more on today's Trolley Tuesday!