Abstract Predictions on Public Transport (PT) ridership are beneficial as they allow for sufficient and cost-efficient deployment of vehicles. On an operational level, this relates to short-term predictions with lead times of less than an hour. Where conventional data sources on ridership, such as Automatic Fare Collection (AFC) data, may have longer lag times and contain no travel intentions, in contrast, trip planner data are often available in (near) real-time and are used before traveling. In this paper, we investigate how such data from a trip planner app can be utilized for short-term bus ridership predictions. This is combined with AFC data (in this case smart card data) to construct a ground truth on actual ridership. Using informative variables from the trip planner dataset through correlation analysis, we develop 3 supervised Machine Learning (ML) models, including k-nearest neighbors, random forest, and gradient boosting. The best-performing model relies on random forest regression with trip planner requests. Compared with the baseline model that depends on the weekly trend, it reduces the mean absolute error by approximately half. Moreover, using the same model with and without trip planner data, we prove the usefulness of trip planner data by an improved mean absolute error of 8.9% and 21.7% and an increased coefficient of determination from a 5-fold cross-validation of 7.8% and 18.5% for two case study lines, respectively. Lastly, we show that this model performance is maintained even for the trip planner requests with prediction lead times up to 30 min ahead, and for different periods of the day. We expect our methodology to be useful for PT operators to elevate their daily operations and level of service as well as for trip planner companies to facilitate passenger replanning, in particular during peak hours.

    Highlights Empirical analysis of correlation in bus ridership with short-term trip planner data (advance travel advice requests). Several interpretable machine-learning prediction models with and without trip planner data are estimated. Two case studies with different line characteristics show trip planner data can reduce mean absolute error by 9 to 22%. Performance of best prediction model is robust across all periods of day and lead times up to 30 min ahead. Developed prediction methodology is applicable to both public transport operators and trip planner providers.


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    Titel :

    Effectiveness of trip planner data in predicting short-term bus ridership


    Beteiligte:
    Wang, Ziyulong (Autor:in) / Pel, Adam J. (Autor:in) / Verma, Trivik (Autor:in) / Krishnakumari, Panchamy (Autor:in) / van Brakel, Peter (Autor:in) / van Oort, Niels (Autor:in)


    Erscheinungsdatum :

    2022-07-02




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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