Pennsylvania Industrial Heritage Route
(Path of Progress)
500-mile route travels through nine counties of southwestern Pennsylvania
and features hundreds of sites relating to the nationís industrial story.
Included are the Altoona Railyards, the Johnstown Flood National Memorial
and Museum, the steel mills of Johnstown, and Horseshoe Curve, a 19th
century engineering marvel built by the Pennsylvania Railroad. Also called
the Path of Progress National Heritage Tour Route.
Authorized Nov. 19, 1988.
Path of Progress National Heritage Tour Route
105 Zee Plaza, P.O. Box 565
Hollidaysburg, PA 16648-0565
Profile of Path of Progress