This series is a look at the Penn Central and its operations prior to Conrail. 

Volume four highlights’ electric and diesel freight and passenger operations on the ex-Pennsylvania Railroad’s Northeast Corridor from Princeton Junction to Zoo Interlocking and freight and passenger operations on the Middle Division from Altoona to Cresson, Pennsylvania between 1972 and 1975 through the films of Jonathan Reck 

Narrated with commentary by Mike Bednar

Color approximately 63 minutes run time