At Framingham, Mass, New York Central has installed all relay interlocking, including power switch machines and searchlight home signals, to replace three previous mechanical interlockings, in distance of about 4.5 mi; panel type machine controls 10 1-unit signals, five 2-unit signals, seven 3-unit signals, three single switches, three switches and derails, five crossovers, and one traffic lever.


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    Title :

    NYC combines interlockings


    Additional title:

    Ry Signaling Communications


    Published in:

    Publication date :

    1954


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    IC combines interlockings

    Engineering Index Backfile | 1954




    Consolidated interlockings

    Engineering Index Backfile | 1933


    Consolidated interlockings

    Engineering Index Backfile | 1933