Journal
ENVIRONMENT AND PLANNING B-URBAN ANALYTICS AND CITY SCIENCE
Volume 50, Issue 2, Pages 500-514Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/23998083221118570
Keywords
15-min city; human mobility; network science; accessibility
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This study proposes a novel network-based framework that assesses a 15-minute city considering human mobility patterns. It identifies locations where the provision of urban amenities does not match local needs and examines factors that contribute to the identified mismatch issues.
Developing 15-minute cities, where people can access to living essentials within a 15-minute trip, has become a global effort. In addition to practical exercise, researchers have paid attention to the evaluation of 15-minute cities using home-based accessibility approaches. However, existing approaches do not account for human mobility, an important indicator of how people access and interact with urban amenities. In this study, we propose a novel network-based framework that assesses a 15-minute city considering human mobility patterns. We assume that there exists an optimal mobility network, which would maximize human mobility under the constraints of the current distribution of amenities. Locations where the provision of urban amenities does not match local needs are first identified based on the comparison between optimal mobility patterns and their actual counterparts. Built environment, demographic, and network structure factors that contribute to identified mismatch issues are then examined. The empirical study of Nanjing, China, suggests that the proposed framework could enable a dynamic evaluation of 15-minute cities and could provide important insights on policies and intervention strategies of planning and developing 15-minute cities.
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