Project on Pittsburgh and Lake Erie includes centralized control of four interlocking layouts and signaling for train movements both ways on middle track, with single-direction running on other two tracks.


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    Titel :

    To remove fourth main track


    Weitere Titelangaben:

    Ry Signaling Communications


    Erschienen in:

    Erscheinungsdatum :

    1955


    Format / Umfang :

    3 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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