Remotely controlled interlocking plant with centralized traffic control operation, including three switches, three crossovers, and seven signals, installed at Willows, near Ayer, Mass, which has reduced train delays and permitted release of 2.2 mi of double track main line.


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    Titel :

    C.T.C. Extension on Boston and Maine


    Weitere Titelangaben:

    Ry Signaling


    Erschienen in:

    Erscheinungsdatum :

    1947


    Format / Umfang :

    4 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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