Gap-acceptance behavior at intersections has been extensively studied in the field of traffic theory and engineering using various methods. An interesting application of gap-acceptance theory regards roundabouts, which differ from ordinary unsignalized intersections in terms of geometry and driving behavior. Several studies on gap-acceptance at roundabouts can be found in the literature, but, to our knowledge, the fuzzy logic approach has never been used to analyze this type of problem. This chapter describes the development of a gap-acceptance model based on fuzzy system theory and specifically applicable to traffic entering a roundabout. As an alternative to probabilistic discrete choice models, fuzzy system based models can be considered to be appropriate for describing gap-acceptance behavior at roundabouts, because they allow to represent the uncertainty and vagueness that characterizes various aspects of the choice situation under study. Possible applications of fuzzy logic models of gap-acceptance behavior include roundabout entry capacity estimation and use in the context of traffic micro-simulation software. The study is based on data derived from on site observations carried out at a roundabout near Venice, Italy. The performance of the model, evaluated using the Receiver Operating Characteristic (ROC) curve analysis, indicates that fuzzy models can be considered an alternative to the use of random utility models.


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    Titel :

    Fuzzy Logic Models of Gap-Acceptance Behavior at Roundabouts


    Weitere Titelangaben:

    Advs in Intelligent Syst., Computing


    Beteiligte:
    de Sousa, Jorge Freire (Herausgeber:in) / Rossi, Riccardo (Herausgeber:in) / Rossi, Riccardo (Autor:in) / Gastaldi, Massimiliano (Autor:in) / Gecchele, Gregorio (Autor:in) / Meneguzzer, Claudio (Autor:in)


    Erscheinungsdatum :

    21.02.2014


    Format / Umfang :

    11 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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