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http://dx.doi.org/10.7855/IJHE.2011.13.3.147

The Effects of the Urban Spatial Structure on Traffic Congestion Costs  

Lee, Tae-Kyung (한양대학교 도시대학원)
Won, Jae-Mu (한양대학교 도시대학원)
Publication Information
International Journal of Highway Engineering / v.13, no.3, 2011 , pp. 147-156 More about this Journal
Abstract
Since the urbanization process has been taking place, negative outcomes such as environmental pollution and traffic congestion have produced as well. Reflecting the phenomenon, our study assumed that physical structure of urban form were implicit in relation to both economic performance and cost. It can be interpreted that as the urban space has been growing bigger, economic performances such as regional product output, economy of scale and the effect of agglomeration economies are increased. On the contrary, the negative effects such as environmental pollution and traffic congestion were incurred as economic loss and expenses. It means that even though economic performance can help increase regional product output, we should consider the loss on economic expenses which are paid for social problems such as environmental pollution and traffic congestion, which are caused by urbanization. Therefore, this study aims to statistically validate the relationship between traffic congestion as the most representative economy costs and physical characteristics of urban in a large city such as Seoul and to suggest its implications. As a result of model development for empirical analysis, GRDP(0.604), the population(0.582), employment GINI coefficients(0.296), population GINI coefficients(0.254) in order led to congestion cost. We can come to the conclusion that in case of scale factor such as the population, if the population tends to concentrate, urban becomes more crowded and that if GINI coefficients (the population, employment) which are variable on inequality according to region have the disparity with surrounding areas, congestion cost is caused a lot on account of movement related with employment. In addition, this phenomenon was caused if both the population and employment were geographically biased on one side.
Keywords
congestion cost; urban shape; regression analysis;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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