期刊
JOURNAL OF TRANSPORT GEOGRAPHY
卷 94, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jtrangeo.2021.103090
关键词
Accessibility; Perceived accessibility; Transport planning; Policy evaluation; Conceptual model
This paper explains the concept of accessibility and the mismatches with perceived accessibility, proposing the establishment of a conceptual model to understand the mechanisms behind these discrepancies. It points out that inaccuracies in awareness and failure to consider subjective evaluations can lead to mismatches between calculated indicators and perceptions of accessibility.
Accessibility is usually evaluated using indicators calculated from spatial data. However, perceived accessibility, defined as the perceived potential to participate in spatially dispersed opportunities, is often poorly reflected by these calculated measures. This paper sets out to explain the mechanisms that lead to these mismatches. A conceptual model is constructed to establish what factors shape perceived accessibility. A schematic framework shows that mismatches between a calculated indicator and perceptions can stem from inaccuracies in awareness as well as from inaccuracies in the measure if the measure fails to take account of the subjective evaluations of accessibility components. When evaluating the performance of land-use and transport system configurations, calculated measures based on spatial and transport data only serve as proxies for how accessibility is actually experienced. This paper argues that bringing perceived accessibility to the fore of accessibility-based planning, by acknowledging and evaluating potential mismatches with calculated accessibility indicators, will advance the evolution from mobility-based to accessibility-based planning.
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