Preparation of and comments on 1931 traffic flow map of Philadelphia; uses of map.


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    Title :

    Traffic flow records


    Additional title:

    Engrs. Eng


    Contributors:
    Marsh, B.W. (author)

    Published in:

    Publication date :

    1931


    Size :

    4 pages


    Remarks:

    1 Fig.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :