Abstract

The purpose of this study is to analyze the impact of the greenbelt (Restricted Development Zones: RDZs) on anti-sprawl in order to evaluate the effectiveness of urban growth management. To estimate the sprawl level, the compactness index (CI) is developed covering both population and employment densities. As CI increases, the sprawl level decreases. I compare the influence of the RDZs on sprawl level between five urban areas (UAs) where the RDZs have been removed and other seven UAs where the RDZs are still maintained. In addition, the impacts are compared among 2001 (previous lifted-up), 2007 (right after lifted-up), and 2013 (current). The results show that the level of urban compactness in the five UAs where RDZs have been lifted up is exacerbated, while the levels have been improved in other seven MSAs. In addition, the influence of RDZs near the central business district (CBD) is larger than that in the urban fringe areas. In some UAs, the RDZs are associated with increasing leap-frog developments, but those in most UAs are not closely connected to the leap-frog pattern.

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