The influence of high-speed railways on the accessibility of the metropolitan areas in the Yangtze River Delta region

WANG Degen1,2 ZHANG Yun3

(1.Tourism Department of Soochow University, Jiangsu, China 215123)
(2.Department of Geography, Planning and Recreation, Northern Arizona University, Flagstaff Arizona 86011-5016, US)
(3.College of Mechanical and Electrical Engineering, Anhui Polytechnic University, Wuhu, Anhui, China 241000)

【Abstract】In this paper, an integrated method of cost weighted raster was applied to the analysis of changes in five metropolitan areas’ shortest travel time accessibility, daily commuting circles and other aspects related to the isochronous rings under two conditions namely, with and without high-speed railways, in the Yangtze River Delta region. The results have provided enlightenment in three aspects. First, cities with stations for the high-speed railways became the biggest beneficiaries of time convergence, and the accessibility of the cities without stations was also slightly promoted. Second, the isochronous rings of the five metropolitan areas expanded outward along the high-speed railways, and the spatial scope showing the axial guiding role played by the high-speed railways. Third, high-speed railways expanded the coverage of the five metropolitan areas’ daily commuting circles, which increased to almost 100 percent. The coverage of the 1h and 2h isochronous rings expanded in varying degrees. This indicated that the time cost for the commuting among cities within a metropolitan area and core cities among different metropolitan areas was reduced by high-speed railways, achieving the goal of daily commuting and producing a “one-city” effect.

【Keywords】 high-speed railway; metropolitan area; accessibility; daily commuting circle; the Yangtze River Delta region;


【Funds】 Project Supported by National Natural Science Foundation of China (41271134) Project Supported by Youth Fund for Research on Humanities and Social Sciences of Ministry of Education (10YJC790245)

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(Translated by ZHONG Yehong)


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This Article


CN: 43-1126/K

Vol 35, No. 02, Pages 54-61+53

February 2015


Article Outline


  • 1 Overview of the research regions
  • 2 Measurement of regional accessibility
  • 3 Analysis of the results
  • 4 Conclusion and discussion
  • References