A system of inclined planes and a 900-foot tunnel carved through solid rock made travel through the Allegheny Mountains possible in the 1800s. OnQ reports on the Allegheny Portage Railroad national park in Cambria County, Pennsylvania.
OnQ is a web site administered by WQED TV and is Pittsburgh, Pennsylvania's Emmy winning news magazine program. OnQ OnDemand takes episodes that were aired and lets you watch them OnDemand!
Last updated: May 20, 2019