Assessing the Hierarchical Diversity of Public Transportation Considering Connectivity and Its Implication on Regional Sustainability

Takumi Horiike, Kento Yoh (), Kenji Doi and Chun-Chen Chou
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Takumi Horiike: Department of Civil Engineering, Division of Global Architecture, Graduate School of Engineering, Osaka University, Osaka 5650871, Japan
Kento Yoh: Department of Civil Engineering, Division of Global Architecture, Graduate School of Engineering, Osaka University, Osaka 5650871, Japan
Kenji Doi: Department of Civil Engineering, Division of Global Architecture, Graduate School of Engineering, Osaka University, Osaka 5650871, Japan
Chun-Chen Chou: Department of Civil Engineering, Division of Global Architecture, Graduate School of Engineering, Osaka University, Osaka 5650871, Japan

Sustainability, 2023, vol. 15, issue 23, 1-20

Abstract: Given a decreasing and aging population, there is a growing need to establish convenient public transportation systems that offer a variety of transportation modes seamlessly connected to one another. This study attempts to develop an index to assess the hierarchical diversity of public transportation, drawing an analogy between public transportation networks and ecosystems. By considering both hierarchical (meta-physical) and physical connections among respective modes, which are aspects that have not been addressed in previous studies, this study aims to enhance the spatial resolution of the analysis units in the index. The diversity indices were applied to the northern Osaka area in Japan as the study site. The results show a correlation between the diversity index, population, and public transportation modal share. We then discuss the influence of hierarchical diversity on the sustainability of public transportation systems and regional development.

Keywords: public transportation diversity; hierarchy system; regional sustainability; population (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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