An unconventional outside left-turn lane design has been increasingly used at signallised intersections in the urban areas in China. The unconventional outside left-turn lane design allows an exclusive left-turn lane to be located to the right of through lanes. The study presented in this paper evaluated the factors that affected drivers’ selection of left-turn lanes at signallised intersections where both inside and outside left-turn lanes were provided. A binary logit model was developed to quantitatively evaluate the impact of contributing factors on drivers’ selection of outside left-turn lanes. It was found that the chance of a driver choosing the outside left-turn lane would increase with an increase in the traffic volume on the major street and the queue length in the inside left-turn lane; and would decrease with an increase in the distance between the upstream side street to the signallised intersection. In addition, drivers of heavy vehicles and those from the upstream right-side side streets were more likely to select outside left-turn lanes. Based on the data analysis results, a procedure was proposed to help transportation professionals determine if outside left-turn lanes were needed given traffic conditions and geometric characteristics of a signallised intersection.


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    Titel :

    Identifying factors affecting drivers’ selection of unconventional outside left-turn lanes at signallised intersections


    Beteiligte:
    Liu, Pan (Autor:in) / Xu, Chengcheng (Autor:in) / Wang, Wei (Autor:in) / Wan, Jingjing (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2013-12-01


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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