High-Speed Rail Network Expansion and Its Impact on Regional Economic Sustainability in the Yangtze River Delta, China, 2009–2018

Wei Sun, Chen Wang, Chonggang Liu and Lei Wang
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Wei Sun: Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
Chen Wang: Zhejiang Development & Planning Institute, Hangzhou 310012, China
Chonggang Liu: Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
Lei Wang: Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China

Sustainability, 2021, vol. 14, issue 1, 1-14

Abstract: The rapid expansion of high-speed rail (HSR) has significantly improved spatial accessibility and connectivity efficiency, and affected the reallocation of spatial resources and regional economic sustainability. This study examined 40 prefecture-level (or above) cities in the Yangtze River Delta (YRD) region, and explored the evolution process of the HSR service network and its impact on the sustainability of economic development. The research results show that: (1) From the perspective of intercity travel time and service connections from 2009 to 2018, the rapid development of HSR has increased the city’s rail accessibility by about 50%, leading to closer intercity connections. (2) There are obvious regional differences in the effect of HSR on urban functional levels and the intensity of inter-city connections. Compared with 2009, the central cities play a greater role as transportation hubs in 2018, creating a significant Matthew effect of accumulated advantage. (3) The distribution pattern of regional urban intensity index is uneven, and the difference in urban intensity index in 2018 is significantly greater than that in 2009. (4) The evolution of the HSR network has significantly affected regional economic development, especially the development of tertiary industry, and increased the polarization of economic development in the YRD. This research can provide a certain reference for regional sustainable development.

Keywords: high-speed rail network; accessibility; connectivity; regional economic sustainability; Yangtze River Delta (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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