R Tower sat in East Pittsburgh, PA, controlling a four track crossover. This was where traffic patterns returned to 'normal' after passing through Pitcairn - R did the opposite of what CP Tower did to the east. The eastbound Aerotrain rockets by R Tower in the mid 1950s, passing through the interlocking and under the iconic Westinghouse Bridge. R would survive until the early 70s, when it and its eastbound counterpart CP would be taken out of service.
PRR Aeortrain. East Pittsburgh, PA.
Mid 1950's. Photographer unknown (Universal Slide Company).
Adam Klimchock collection.
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