Increased safety and flexibility of operation, and high return on investment have amply warranted expenditure of $18,000; solution of problem; operation of system; color-light signals and dual-control switch machines; economies effected.


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    Title :

    Chicago Great Western saves $7000 annually by remote control of tunnel interlockings


    Additional title:

    Ry. Age


    Published in:

    Railway Age ; 90 , n 22


    Publication date :

    1931


    Size :

    2 pages


    Remarks:

    3 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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