As a shared transport mode, public transit is important for leading transportation systems to develop in a sustainable manner. It is well known that the passenger demand along a bus line fluctuates throughout the day and is not distributed uniformly, both temporally and spatially. This non-uniformity warrants the use of multiple operational strategies to enhance the efficiency of public transit service and further to facilitate sustainability, compared to a full route operation (FRO) strategy currently used worldwide. This study proposes a new network-based methodology for optimizing multiple operational strategies to accommodate the fluctuated passenger demand, based on a complete timetable using the FRO strategy. Four possible strategies are considered for a single-line bus operation: FRO, limited-stop, short-turn, and a combination of the latter two strategies. The methodology is based on a minimum-cost network-based model constructed by adjusting vehicle departures extracted from the complete timetable at determined stops. The cost on each network arc consists of the change in passenger travel time caused by the adjustment of vehicle departures, compared with the planned departures using the FRO strategy. The network-based problem, including special constraints, is solved by constructing an equivalent directed network of a particular pattern. The proposed methodology is first applied to a numerical example and then to a real-life bus line in Dalian, China. The results of the case study show that compared with the current FRO operation, the implementation of a combination of operational strategies reduces the total vehicle time by one bus trip and empty-seat time by approximately 50%.


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    Titel :

    Optimal operational strategies for single bus lines using network-based method


    Beteiligte:
    Tang, Chunyan (Autor:in) / Ceder, Avishai (Avi) (Autor:in) / Ge, Ying-En (Autor:in) / Liu, Tao (Autor:in)


    Erscheinungsdatum :

    01.03.2021


    Format / Umfang :

    13 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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