Exploring the spatial distribution structure of intercity human mobility networks under multimodal transportation systems in China

Haosong Wen, De Zhao, Wei Wang, Xuedong Hua and Weijie Yu

Journal of Transport Geography, 2025, vol. 123, issue C

Abstract: Intercity human mobility drives the redistribution of resources and accelerates the coordination of urban agglomeration systems. Current intercity transportation systems tend to develop in multiple modes, while there are limited investigations into the distribution structure of multimodal mobility networks. We construct intercity mobility networks under different flows including highway, railway, aviation, and their combination employing nationwide mobility data in China. The spatial analysis approach for complex networks is utilized to conduct a series of quantitative investigations on intercity mobility. Our findings reveal both similarities and differences in the multidimensional spatial patterns and hierarchical structures of various networks. These networks exhibit various distance decay effects due to different geographic constraints, contributing to competition or complementarity in travel distances. The spatial distribution of centrality is relatively consistent across various networks but with more polarized natures for aviation. Notably, cities with the most connections in intercity mobility networks are not necessarily the most central, practically within the highway network. Further, the core city drives clustering effects with surrounding cities, facilitating the formation of communities that contribute to heterogeneous mobility patterns inside and outside. We examine the connection patterns within and between communities, revealing distinct roles for cities within these spatial association networks. These findings provide valuable insights into spatial interactions among cities and contribute to the formulation of reasonable urban development policies.

Keywords: Intercity human mobility; Multimodal transportation; Complex network; Spatial characteristic; Distribution structure (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jotrge:v:123:y:2025:i:c:s0966692325000353

DOI: 10.1016/j.jtrangeo.2025.104144

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