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Reduced dwell times resulting from train--platform improvements: the costs and benefits of improving passenger accessibility to metro trains

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  • Xenia Karekla
  • Nick Tyler

Abstract

This paper examines whether a dwell time reduction on a high-intensity metro service, as a result of a series of accessibility enhancements, can contribute to an increased level of service and accessible public transport for passengers together with a reduction in costs for the operator. Actual train operation data were collected by on-site observations and from London Underground Ltd. A simple simulation is built to represent the effect on the overall cycle times of trains if certain parameters (e.g. dwell time) are changed. Four models are developed, concerning: (1) step height between train and platform, (2) an assumption of passenger service time to be no longer than 20 s, (3) door width and (4) the combination of step height and door width. From the application of the models it appears that the fourth model provides the highest reduction in dwell time and diminishes the overall cycle times of trains. However, it is the most expensive to implement as it requires work to raise platforms and the purchase of new rolling stock.

Suggested Citation

  • Xenia Karekla & Nick Tyler, 2012. "Reduced dwell times resulting from train--platform improvements: the costs and benefits of improving passenger accessibility to metro trains," Transportation Planning and Technology, Taylor & Francis Journals, vol. 35(5), pages 525-543, January.
    • Handle: RePEc:taf:transp:v:35:y:2012:i:5:p:525-543
    DOI: 10.1080/03081060.2012.693267
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    Cited by:

    1. Matias Kulczewski & Andres Wilson & Sebastian Seriani & Taku Fujiyama, 2022. "Factorial Design with Simulation for the Optimization of the Level of Service in the Platform-Train Interface of Metro Stations—A Pilot Study," Sustainability, MDPI, vol. 14(23), pages 1-24, November.
    2. Wang, Shuaian & Zhang, Wei & Qu, Xiaobo, 2018. "Trial-and-error train fare design scheme for addressing boarding/alighting congestion at CBD stations," Transportation Research Part B: Methodological, Elsevier, vol. 118(C), pages 318-335.
    3. Offiaeli, K. & Yaman, F., 2020. "Social Norms as a Cost-Effective Measure of Managing Transport Demand: Evidence from an Experiment on the London Underground," Working Papers 20/07, Department of Economics, City University London.
    4. Offiaeli, Kingsley & Yaman, Firat, 2021. "Social norms as a cost-effective measure of managing transport demand: Evidence from an experiment on the London underground," Transportation Research Part A: Policy and Practice, Elsevier, vol. 145(C), pages 63-80.

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