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Drivers' Learning Mechanism and Route Choice Behavior for Different Traffic Conditions  

도명식 (한밭대학교 토목환경도시공학부)
석종수 (인천발전연구원)
김명수 (한밭대학교 토목환경도시공학부)
최병국 (인천발전연구원)
Publication Information
Journal of Korean Society of Transportation / v.21, no.3, 2003 , pp. 97-106 More about this Journal
Abstract
When a route choice is done under uncertainty, a driver has some expectation of traffic conditions that will occur according to the route chosen. This study tries to build a framework in which we can observe the learning behavior of the drivers' expectations of the travel time under nonstationary environment. In order to investigate how drivers have their subjective expectations on traffic conditions in response to public information, a numerical experiment is carried out. We found that rational expectations(RE) formation about the route travel time can be expressed by the adaptive expectation model when the travel time changes in accordance with the nonstationary process which consists of permanent shock and transient shock. Also, we found that the adaptive parameter of the model converges to the fixed value corresponding to the route conditions.
Keywords
경로선택;학습행동;정상교통류;비정상교통류;학습계수;
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