Asian Transport Studies
Online ISSN : 2185-5560
ISSN-L : 2185-5560
Papers
An Analysis of a Partially Signalized Roundabout using SIDRA 6 Software
Hong Ki ANWen Long YUEBranko STAZIC
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2016 年 4 巻 2 号 p. 314-329

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Normally, under unbalanced traffic volumes, roundabout metering that operates with traffic signals on one (sub-dominant) approach is used to improve roundabout operating conditions. There are few reports of studies concerning roundabout metering that operates with traffic signals on two approaches. SIDRA INTERSECTION 6 is a widely used intersection evaluation software with a roundabout metering model which allows only one approach to be signalized. This paper reports a study of roundabout metering with signals on two approaches using a SIDRA INTERSECTION 6 network model, representing the roundabout as a four-node network. The model is applied to a real-life case on Old Belair Road in Adelaide for the morning peak period (08:00-09:00 AM). Calibration methods are suggested for this analysis. The results of the analysis indicate that the level of service (LOS) and the delay time on the dominant approach are C and 23.2 seconds.

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2016 Eastern Asia Society for Transportation Studies
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