Everyday power, 1963. Elizabeth, New Jersey was a great train-watching spot, with the Pennsylvania Railroad main above, and the Jersey Central main below. The Jersey Central had 13 Trainmasters, and they weren't hard to find, given their use on the frequent commuter trains.
Thanks largely to mergers and bankruptcies, New Jersey's commuter railroads underwent profound changes between the end of steam and the takeover by NJ Transit in 1983.