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http://dx.doi.org/10.7470/jkst.2017.35.1.001

Effects of Urban Compactness and Residential Density on Trip Generation: Focusing on Work Trips in Seoul, Korea  

Mahriyar, Muhammad. Zia (Graduate School of Urban Studies, Hanyang University)
RHO, Jeonghyun (Department of Urban Planning, Hanyang University)
Publication Information
Journal of Korean Society of Transportation / v.35, no.1, 2017 , pp. 1-10 More about this Journal
Abstract
The compact city usually provides good accessibility of residents with multiple transportation modes. However, in a compact city, annual average of travel distance per household by car is relatively short due to more congested traffic condition and larger travel cost than disperse city. As a result, total travel demand is decreasing when the region becomes more compact. Therefore compact development is regarded as one of the sustainable choices for future urban planning in many countries. This study aims at an empirical analysis of the relationship between urban compactness and travel demand based upon land-use and travel data for city of Seoul. In this study, 424 sub-districts with the mixed land-use patterns are assessed in a hexagonal diagram. The measurement is based on the relative deviation of each sector's characteristics including numbers of residence, manufacture, and trade & service. Multiple linear regression models are developed to analyze the effects of urban compactness on zonal trip generations. As a result, the trip generation rate in the residence-intensive and mixed-use areas is found to be relatively low. Furthermore, residents in high-compact areas tend to use public transport more often than residents in less compact areas.
Keywords
hexagonal diagram; mixed land-uses; residential density; trip generation; urban compactness;
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