Development on highway grade crossing protection; requisites for automatic gates; highway crossing sign; corrective measures to minimize or eliminate phantom indications of flashing light signals. (See also - n 1 p 195-200)


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    Title :

    Committee VIII -- Highway grade crossing protection


    Additional title:

    Assn Am Railroads -- Proc (Signal Sec)


    Conference:

    Association of American Railroads -- Meeting ; 1939 Specifications



    Publication date :

    1939


    Size :

    15 pages


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English