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 Age v 138 n 6 June 27 1955 p 34-6)


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    Title :

    Traffic lights protect crossings


    Additional title:

    Ry Signaling Communications



    Publication date :

    1955


    Size :

    5 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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