The Johnstown flood on May 31, 1889, virtually demolished the horsecar lines of the Johnstown Passenger Railway Company, resulting in the system being rebuilt with electric trolley cars. Johnstown Trolleys and Incline covers the history of the trolley car system, trackless trolleys, and the Johnstown Inclined Plane. Johnstown was the last small city in the United States to operate a variety of vintage and modern trolley cars along with trackless trolleys. The Johnstown incline played a key role in transporting residents to higher ground in the devastating floods of 1936 and 1977. Ridership...