Precast asphaltic concrete bars set in pavement surfaces to form ridges that will jolt motorist who drives over them, have been installed at several points in California, notably in San Francisco and Daly City, as protection for safety zones located beside street railway tracks.


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    Title :

    Asphaltic pavement bars protect safety zones


    Additional title:

    Eng News-Rec


    Published in:

    Publication date :

    1943


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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