The current zero milestone dates from the spring of 1923, replacing a temporary marker placed on this site in President's Park in 1919. Originally intended as a central point from which to measure highway distances throughout the United States, the…

Built between 1832 and 1833, the Lockkeeper's House was the home of the toll keeper who collected tolls from those traveling along the Chesapeake & Ohio Canal Extension. Some accounts report that a resident lockkeeper and his family of 13…