Since the 1990s, the population of Beijing has decentralized. This paper studies the relationship between residents’ commuting tools and their residential location during suburbanization by applying field survey data, statistical methods, and Geographic Information System techniques. The results show that public transportation is the most common choice for commuting. Residents commute the shortest distance do so by walking/bicycling and residents commute the longest distance do so by taking bus/subway. The likelihood of using bus/subway increases as the distance becomes longer; the likelihood of commuting by car/taxi has a very weak correlation with commuting distance. The results imply a public transportation-oriented suburbanization model in Beijing. By further mapping the subway lines and the geographic distribution of newly built houses from 2008 to 2012, it is discovered that public transit especially the subway plays a significant role in residential relocation in Beijing. This could explain the city sprawl in suburbanization in China.
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