Revealing travel patterns and city structure with taxi trip data

Xi Liu, Li Gong, Yongxi Gong and Yu Liu

Journal of Transport Geography, 2015, vol. 43, issue C, 78-90

Abstract: Delineating travel patterns and city structure has long been a core research topic in transport geography. Different from the physical structure, the city structure beneath the complex travel-flow system shows the inherent connection patterns within the city. On the basis of taxi-trip data from Shanghai, we built spatially embedded networks to model intra-city spatial interactions and to introduce network science methods into the analysis. The community detection method is applied to reveal sub-regional structures, and several network measures are used to examine the properties of sub-regions. Considering the differences between long- and short-distance trips, we reveal a two-level hierarchical polycentric city structure in Shanghai. Further explorations of sub-network structures demonstrate that urban sub-regions have broader internal spatial interactions, while suburban centers are more influential on local traffic. By incorporating the land use of centers from a travel-pattern perspective, we investigate sub-region formation and the interaction patterns of center–local places. This study provides insights into using emerging data sources to reveal travel patterns and city structures, which could potentially aid in developing and applying urban transportation policies. The sub-regional structures revealed in this study are more easily interpreted for transportation-related issues than for other structures, such as administrative divisions.

Keywords: GPS-enabled taxi data; Travel pattern; Urban structure; Spatially embedded network; Community detection (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (79)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jotrge:v:43:y:2015:i:c:p:78-90

DOI: 10.1016/j.jtrangeo.2015.01.016

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