Automatic signaling and centralized traffic control, now 15 yr old, still being extended; features of manual block working; cab signaling and train control; centralized traffic control and power signaling.


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    Title :

    American signalling in 1941


    Additional title:

    Ry Gaz


    Published in:

    Publication date :

    1942


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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