Chesapeake and Ohio grade crossings in downtown Richmond, Va; color-light signals govern switching movements at industries and freighthouse where streets carry heavy vehicular traffic; two-way radio aids watchman to control traffic lights and railroad signals. (see also Ry Signaling and Communications v 48 n 5 May 1955 p 39-43)


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    Title :

    Traffic lights protect crossings


    Additional title:

    Ry Age


    Published in:

    Railway Age ; 138 , n 6


    Publication date :

    1955


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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