Arrangement of Pittsburgh and West Virginia Railway Co installation in Pittsburgh, Pa, which includes automatically controlled gates, flashing light signals, street traffic lamps, dwarf signals to control trains, key controllers and trap circuits.


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    Title :

    This crossing protection has everything


    Additional title:

    Ry Signaling Communications


    Published in:

    Publication date :

    1955


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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