Centralized traffic control installed by Union Pacific between Cheyenne, Wyo, and Laramie on double track main line and newer single track low grade line, totaling 177 track mi; system includes track occupancy indicators, rock slide detectors, and electric switch heaters.


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    Titel :

    CTC for both ways on each track


    Weitere Titelangaben:

    Ry Age


    Erschienen in:

    Railway Age ; 139 , n 19


    Erscheinungsdatum :

    1955


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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