Traffic signal timing optimization and control is one of the most cost-effective ways of improving urban arterial network congestions. Actuated traffic signal control system is widely deployed around the world to provide green times where needed. The actuated control uses a pre-specified gap-out time to determine an early termination of current phase green time. However, the existing traffic signal control system relies on fixed point detectors that are installed on near stop bar and/or a few hundred feet upstream of the stop bar such that the system cannot capture entire vehicular movements along the approach link. This paper presents a dynamic gap-out concept and evaluates it using a microscopic simulation model with a COM interface. The results based on microscopic simulation runs under two one-way streets with 50 volume scenarios indicate that the dynamic gap-out can reduce vehicular delays by 20% when compared to existing regular gap-out.


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    Titel :

    Improving Actuated Traffic Signal Control Operations using Concept of Dynamic Gap-out


    Beteiligte:

    Kongress:

    Ninth International Conference on Applications of Advanced Technology in Transportation (AATT) ; 2006 ; Chicago, Illinois, United States



    Erscheinungsdatum :

    04.08.2006




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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