Using connectivity for measuring equity in transit provision

Sigal Kaplan, Dmitrijs Popoks, Carlo Giacomo Prato, Avishai Ceder

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    This study proposes the assessment of equity in transit provision by using transit connectivity as a comprehensive impedance measure. Transit connectivity considers in-vehicle time, access/egress times, waiting time, service reliability, frequency, and ‘seamless’ transfers along multi-modal paths. In addition, transit connectivity weighs the impedance components according to their relative importance to travelers. The assessment of equity was performed for the multi-modal transit system in the Greater Copenhagen Area, renowned for its transit-oriented finger-plan. The assessment method used a GIS representation of the network (i.e., service lines, timetables, metro stations, train stations, and bus stops), and transit assignment results (i.e., level-of-service times, passenger flows). The assessment method proved effective in calculating location-based and potential-accessibility measures and Gini coefficients of inequality in the Greater Copenhagen Area. Results show that the transit-oriented development contributes to spatial equity with high connectivity in densely populated zones, vertical equity with comparable connectivity in high income and low income zones, inter-generational equity with good connectivity provision for students to higher-education and job opportunities. Also, results show that the north-west ‘finger’ is less equitable with lower connectivity for low population density and lower connectivity to higher-education opportunities regardless of the high number of students.
    Original languageEnglish
    JournalJournal of Transport Geography
    Volume37
    Pages (from-to)82–92
    ISSN0966-6923
    DOIs
    Publication statusPublished - May 2014

    Keywords

    • Transit connectivity
    • Spatial equity
    • Vertical equity
    • Inter-generational equity
    • Geographical Information Systems

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