Use of roadway dividing curbs that can be elevated or retracted by hydraulic power system, which is electrically actuated, on new 8-lane access road to Chicago business district, providing traffic with six in and two out lanes, or two in and six out lanes, or four lanes each way; hydraulic jacks and springs for raising and lowering curb and curb-lighting equipment.


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    Title :

    Chicago builds convertible roadway


    Additional title:

    Eng News-Rec


    Contributors:

    Published in:

    Publication date :

    1940


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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