Comparative merits of various types of grade crossing protection; "gates-not-working" and "watchman-not-on-duty" signs; barrier type of grade crossing protection, including automatic gates; lamps on manual and automatic crossing gates.


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    Titel :

    Report of committee IX -- Highways


    Weitere Titelangaben:

    Am Ry Eng Assn -- Bul



    Erscheinungsdatum :

    1938


    Format / Umfang :

    9 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Report of committee 9 -- Highways

    Engineering Index Backfile | 1939


    Report of committee IX -- Highways

    Engineering Index Backfile | 1935


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    Report of committee 9 -- Highways

    Engineering Index Backfile | 1948


    Report of committee 8 -- Highways

    Engineering Index Backfile | 1942