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Research Article

Metro Network Accessibility Measure and Evolution Analysis: A Case Study of the City of Guangzhou, China

S.P. Chen and J.N. Qiu
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Urban rapid rail transit networks are important infrastructures of modern urban transportation systems in the large cities with huge population. Their accessibility has a large impact on urban spatial patterns, residents’ travel behaviors and the quality of urban living environment. Therefore, this study aims to evaluate the accessibility of an urban rapid transit network in the city of Guangzhou, China. This study considers time and transfer constraints as measures to assess connectivity between nodes in the network. These measures generate indices of the network accessibility, where matrices of the costs of route changes and travel times between nodes are derived. Based on the matrices, transfer-based and time-based accessibility coefficients at any node in the network are computed and thus isochrones are derived to illustrate the evolution of the accessibility spatial patterns. The results revealed that the Guangzhou metro network development has a valuable impact on urban accessibility and that the importance of the influence of transfer stations. It is also appeared that the metro network development has been though as one of the effective measures to tackle the urban transportation issues.

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  How to cite this article:

S.P. Chen and J.N. Qiu, 2013. Metro Network Accessibility Measure and Evolution Analysis: A Case Study of the City of Guangzhou, China. Journal of Applied Sciences, 13: 3497-3503.

DOI: 10.3923/jas.2013.3497.3503


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