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Transit accessibility: A new definition of transit connectors

Author

Listed:
  • Ouassim Manout

    (ForCity)

  • Patrick Bonnel

    (LAET - Laboratoire Aménagement Économie Transports - UL2 - Université Lumière - Lyon 2 - ENTPE - École Nationale des Travaux Publics de l'État - CNRS - Centre National de la Recherche Scientifique)

  • Louafi Bouzouina

    (LAET - Laboratoire Aménagement Économie Transports - UL2 - Université Lumière - Lyon 2 - ENTPE - École Nationale des Travaux Publics de l'État - CNRS - Centre National de la Recherche Scientifique)

Abstract

Transit accessibility is a key determinant in explaining transit use and promoting transit policies. The improvement of transit access conditions is deemed to improve the overall quality of the transit service, the user experience, and ultimately, the transit ridership. In transport modeling, however, transit accessibility is still modeled in a very crude manner based on centroid connectors. This approach does not render actual walking conditions as encountered by transit users. The current paper proposes a new definition of transit access for transport modeling purposes. In contrast to current practice which is based on centroid connectors, this new definition uses high resolution spatial data to model actual access and egress conditions to and from transit facilities. The new approach relies on the spatial distribution of potential transit users and their probability of using transit facilities. Two automatic methods have been developed: selection of accessible transit facilities on the basis of their proximity and computation of the length of connectors using distance decay functions. Results from the urban area of Lyon, France, show the significant contribution of the new definition. In comparison to the standard method, the new definition is found to improve main transit modeling outcomes and to better reproduce observed data. This new method can assist transport planners and public authorities to evaluate transit policies more accurately and instruct more appropriately policy makers.

Suggested Citation

  • Ouassim Manout & Patrick Bonnel & Louafi Bouzouina, 2018. "Transit accessibility: A new definition of transit connectors," Post-Print halshs-02125812, HAL.
    • Handle: RePEc:hal:journl:halshs-02125812
    DOI: 10.1016/j.tra.2018.03.028
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    Cited by:

    1. Ben-Elia, Eran & Benenson, Itzhak, 2019. "A spatially-explicit method for analyzing the equity of transit commuters' accessibility," Transportation Research Part A: Policy and Practice, Elsevier, vol. 120(C), pages 31-42.
    2. Huang, Ying & Xu, Wangtu (Ato), 2021. "Spatial and temporal heterogeneity of the impact of high-speed railway on urban economy: Empirical study of Chinese cities," Journal of Transport Geography, Elsevier, vol. 91(C).
    3. Louafi BOUZOUINA, 2025. "Choix de localisation des ménages et des entreprises en milieu urbain : les effets hétérogènes de l’accessibilité," Region et Developpement, Region et Developpement, LEAD, Universite du Sud - Toulon Var, vol. 62, pages 235-243.
    4. Mingzhu Song & Yi Zhang & Meng Li & Yi Zhang, 2021. "Accessibility of Transit Stops with Multiple Feeder Modes: Walking and Private-Bike Cycling," Sustainability, MDPI, vol. 13(6), pages 1-27, March.
    5. Ouassim Manout & Patrick Bonnel & François Pacull, 2020. "The impact of centroid connectors on transit assignment outcomes," Public Transport, Springer, vol. 12(3), pages 611-629, October.
    6. Hussain, Etikaf & Bhaskar, Ashish & Chung, Edward, 2021. "A novel origin destination based transit supply index: Exploiting the opportunities with big transit data," Journal of Transport Geography, Elsevier, vol. 93(C).
    7. Liang, Zheng & Lo, Hong K. & Ng, Ka Fai & Axhausen, Kay W., 2025. "On measuring walking accessibility: A link-based utility approach," Transportation Research Part A: Policy and Practice, Elsevier, vol. 194(C).
    8. Krug, Jean & Burianne, Arthur & Bécarie, Cécile & Leclercq, Ludovic, 2021. "Refining trip starting and ending locations when estimating travel-demand at large urban scale," Journal of Transport Geography, Elsevier, vol. 93(C).
    9. Ganji, S.S. & Dehghani, Alireza & Ajirlu, Shahrouz Fathi, 2024. "Evaluation of intercity road passenger transportation using a novel double-frontier game-regret-cross-efficiency," Socio-Economic Planning Sciences, Elsevier, vol. 93(C).
    10. (Melrose) Pan, Meiyu & Dahal, Pankaj & Lim, Hyeonsup & Pandey, Birat, 2025. "Geospatial analysis of freight accessibility and job attraction: The role of interstate ramps, airports, ports, and rail," Journal of Transport Geography, Elsevier, vol. 123(C).

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