In recent years, SIDRA software has been widely used in the evaluation of intersection performance due to its ease of application and accuracy of results. However, SIDRA has limitations when used for signal controlled roundabouts with signals on two or more approaches. In addition, only a few studies have investigated the performance of signalised roundabout controls. This research, therefore, explores signal operations on two approaches of the Old Belair Road roundabout in Adelaide. Furthermore, a new method representing a roundabout using a four-node intersection is proposed, and the modelling and calibration will be illustrated. In order to validate the developed model, the results from the four-node intersection are compared with AIMSUN 7. The outcomes from the analysis demonstrate that the maximum queue length in each approach matches up to 95%, whereas the delay time and the level of service in SIDRA are slightly higher than in AIMSUN 7.


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    Title :

    Dual signal roundabout evaluation in Adelaide using SIDRA and AIMSUN



    Published in:

    Publication date :

    2017



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    Local classification TIB:    135/7005/1710
    BKL:    55.84 Straßenverkehr



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