Delivery of cars is expedited by automatic block signals and centralized traffic control on line, and by power switches, car retarders, floodlighting and communication systems in classification yards.


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    Title :

    Modern signaling keeps freight moving


    Additional title:

    Ry Age


    Published in:

    Railway Age ; 112 , n 21


    Publication date :

    1942


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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