Revision of manual; drawings showing general requirements for installations of automatic gates; method of classifying grade crossings with respect to hazards; requisites for floodlighting of railroad-highway grade crossings; lamps on manual and automatic crossing gates; requisites for automatic crossing gates. (See also - discussion p 726-9)


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    Title :

    Report of committee 9 -- Highways


    Additional title:

    Am Ry Eng Assn -- Bul



    Publication date :

    1939


    Size :

    513 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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