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Cognitive Evaluation of Geometrical Structure on Express Highway with Driving Simulator  

이병주 (원광대학교 토목환경도시공학부)
박민수 (원광대학교 토목환경도시공학부)
이범수 (서울시립대학교 교통공학과)
남궁문 (원광대학교 토목환경도시공학부)
Publication Information
Journal of Korean Society of Transportation / v.21, no.4, 2003 , pp. 91-101 More about this Journal
Abstract
This study modeled 4-lane highway in three-dimensional virtual reality in order to overcome difficulties of field experiment. and the research subject was placed in a driving simulator. We survey the driver's cognitive characteristics to the alignment changes in the three-dimensional virtual reality highway. Especially, maximizing the identity of driving movements and virtual scenery on the basis of the data obtained by dynamic analysis module. we minimized simulator sickness for the graphic module of driving simulator. And we carried out cognitive evaluation on the basis of adjective words extracted by dictionary and the opinion of specialist. In this study LISREL model was used to detect the causal relation between geometry and safety in cognitive side, and found that geometric change affects the safety of drivers by static and dynamic road safety model in three-dimensional combined alignments. As the result, for constructing safety road. we consider drivers' cognitive characteristics as human factors in road design, and we think that they are very important factors to improve road safety.
Keywords
LISREL;
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