Eastbound Pennsylvanian on Horseshoe Curve, 2016. — Amtrak
CR, Altoona, Pennsylvania, 1986 Eastbound Conrail intermodal train
Amtrak's Pennsylvanian in Altoona
Taking the train? More Amtrak service may be en route to Pittsburgh
Norfolk Southern Railway # 7714 diesel locomotive (ES40DC)…
Altoona's Horseshoe Curve: A Railroad Engineering Marvel
Horseshoe Curve National Historic Site, Tytoona Natural Area Cave
Keystone Corridor - Wikipedia
Off on another railfan trip to Strasburg, Pennsylvania – Jim and
File:Norfolk Southern Railway - 7538 and - 1043 diesel locomotives
The Amtrak Pennsylvanian: A new passenger's guide - TWK
Railfanning in the Shadow of the Pennsy - Railroads Illustrated Annual
Blog Archives - Pittsburgh Mainline
The Broadway Limited on Horseshoe Curve, 1980s. — Amtrak: History
Pittsburgh Line Adventures 2001-2015 - Empire Of Rails - Road Trips
Boarding the Pennsylvanian at Harrisburg, 2016. — Amtrak: History