A study has been made of the entry capacities of offside priority roundabouts at twenty-eight public road sites. The results have been used to check and calibrate provisional formulae developed previously by means of a full-scale Track Experiment at TRRL. The effects of traffic composition have been assessed and passenger car units derived for heavy vehicles and two-wheelers in the entry and circulating flows. Slightly simplified versions of the Track Experiment equations have been developed for public road conditions; they allow the capacity of an individual entry to be predicted given the circulating flow across the entry and certain geometric parameters, notably the entry width and flare. (Copyright (c) Crown Copyright 1978.)


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    Titel :

    The Capacity of Offside Priority Roundabout Entries


    Beteiligte:
    M. G. M. Glen (Autor:in) / S. L. Sumner (Autor:in)

    Erscheinungsdatum :

    1978


    Format / Umfang :

    25 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch