The Role of Comprehensive Transportation in Shaping Spatial Expansion Patterns: A Case Study of the Yangtze River Middle Reaches Urban Agglomeration

Zaiyu Fan, Weiyang Luo, Chang Liu and Mengyun Xie ()
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Zaiyu Fan: School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan 430068, China
Weiyang Luo: CCCC Second Harbor Engineering Company Ltd., Wuhan 430040, China
Chang Liu: School of Architecture & Urban Planning, Huazhong University of Science and Technology, Wuhan 430074, China
Mengyun Xie: School of Urban Design, Wuhan University, Wuhan 430072, China

Land, 2025, vol. 14, issue 5, 1-24

Abstract: Regional comprehensive transportation infrastructures constitute the fundamental basis for the development of inland urban agglomerations. To elucidate the role of comprehensive transportation in shaping the spatial organization and expansion of urban agglomerations, this study takes the Yangtze River Middle Reaches Urban Agglomeration (YRMRUA) as a case example. It examines the spatial relationships between transportation network layout and spatial expansion patterns using fractal dimension based on traffic accessibility, traffic-weighted linear density, and Pearson correlation analysis. The key findings of this study are as follows: (1) The YRMRUA exhibits a partial fractal growth pattern influenced by transportation development, which indicates that the comprehensive transportation has a significant but limited impact on YRMRUA. (2) There is a moderate correlation between traffic-weighted linear density and spatial expansion intensity within YRMRUA. (3) Specific groups such as the Wuhan–Ezhou–Huanggang–Huangshi group, Changsha–Zhuzhou–Xiangtan group, and Nanchang–Yichun group have formed in areas where transportation development and spatial expansion are at the forefront. (4) Different modes of transportation, including waterway transportation, railway transportation, and road transportation, have varying effects on spatial expansion. The integration of these modes forms the fundamental framework of urban agglomerations.

Keywords: comprehensive transportation; cross-regional transportation infrastructure; fractal analysis; spatial expansion; Yangtze River Middle Reaches Urban Agglomeration (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2025
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