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A GIS-based Traffic Accident Analysis on Highways using Alignment Related Risk Indices  

강승림 (국토연구원)
박창호 (서울대학교 지구환경시스템공학부)
Publication Information
Journal of Korean Society of Transportation / v.21, no.1, 2003 , pp. 21-40 More about this Journal
Abstract
A traffic accident analysis method was developed and tested based on the highway alignment risk indices using geographic information systems(GIS). Impacts of the highway alignment on traffic accidents have been identified by examining accidents occurred on different alignment conditions and by investigating traffic accident risk indices(TARI). Evaluative criteria are suggested using geometric design elements as an independent variable. Traffic accident rates were forecasted more realistically and objectively by considering the interaction between highway alignment factors and the design consistency. And traffic accident risk indices and risk ratings were suggested based on model estimation results and accident data. Finally, forecasting traffic accident rates, evaluating the level of risk and then visualizing information graphically were combined into one system called risk assessment system by means of GIS. This risk assessment system is expected to play a major role in designing four-lane highways and developing remedies for highway sections susceptible to traffic accidents.
Keywords
GIS;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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