Review of pertinent literature on operational aspects of left-hand ramps; time-lapse photography was used in making field studies of 3 left-hand exit ramps and one right-hand exit ramp on Congress Street Expressway in Chicago; detailed analyses of volume, speeds, density, exiting paths, and hazardous maneuvers were carried out and results used to check hypothetical formulation of operational characteristics to be expected for left-hand exit ramps.


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    Title :

    Study of left-hand exit ramps of freeways


    Additional title:

    Nat Research Council -- Highway Research Board -- Research Record


    Contributors:
    Berry, D.S. (author) / Ross, G.L.D. (author) / Pfefer, R.C. (author)


    Publication date :

    1963


    Size :

    6 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English