Abstract User equilibrium (UE) has long been regarded as the cornerstone of transport planning studies. Despite its fundamental importance, our understanding of the actual UE state of road networks has remained surprisingly incomplete. Using big datasets of taxi trajectories, this study investigates the UE states of road networks in two Chinese mega-cities, i.e., Wuhan and Shenzhen. Effective indicators, namely relative gaps, are introduced to quantify how actual traffic states deviate from theoretical UE states. Advanced machine learning techniques, including XGBoost and SHAP values, are employed to analyze nonlinear relationships between network disequilibrium states and seven influencing factors extracted from trajectory data. The results in these two study areas reveal consistent and significant gaps between actual traffic states and the theoretical UE states at various times of the day during both weekdays and weekends. The XGBoost analysis shows that differences in travel distances, travel speeds, and signalized intersection numbers among alternative routes are the primary causes of road network disequilibrium. The results of this study could present several important methodological and policy implications for using the UE models in transport applications.


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    Titel :

    Understanding user equilibrium states of road networks: Evidence from two Chinese mega-cities using taxi trajectory mining


    Beteiligte:
    Chen, Bi Yu (Autor:in) / Chen, Xuan-Yan (Autor:in) / Chen, Hui-Ping (Autor:in) / Huang, Yan-Bin (Autor:in) / Jia, Tao (Autor:in) / Lam, William H.K. (Autor:in)


    Erscheinungsdatum :

    2024-01-07




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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