Investigation made by State Highway Department of Pennsylvania.


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    Title :

    Results of traffic censuses on Pennsylvania highways


    Additional title:

    Eng. Contracting


    Published in:

    Publication date :

    1921


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Forestalling 27,000 traffic deaths on Pennsylvania highways

    Craig, H.K. | Engineering Index Backfile | 1928


    Method of approximation for general traffic censuses

    van Gils, J.F.L. | Engineering Index Backfile | 1952


    New laboratory for Pennsylvania department of highways

    Mattimore, H.S. | Engineering Index Backfile | 1930


    Highways and traffic

    Besson, F.S. | Engineering Index Backfile | 1924


    Lighting new traffic highways

    Winter, H.H. | Engineering Index Backfile | 1947