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Development of Cut-in Lane Changing Model Based on Observed Driver's Behavior in Uninterrupted Traffic Flow  

Kim, Kyung-Hee (한양대학교 첨단도로연구센터)
Chang, Myung-Soon (한양대학교 교통시스템공학과)
Kim, Jin-Tae (교통개발연구원)
Kim, Eung-Cheol (인천대학교 토목환경시스템공학과)
Publication Information
Journal of Korean Society of Transportation / v.22, no.6, 2004 , pp. 145-157 More about this Journal
Abstract
Microscopic freeway simulation models project the uncertain values of performance measures for subject traffic conditions by explaining drivers' driving behavior with lane changing and car-following models. However, the existing lane changing models are limited to gap acceptance oriented passive behavior of drivers and not able to capture more-or-less aggressive driving behavior(e.g. cut-in lane changing) ordinarily obseved in field. This paper suggests the definition of cut-inlane changing and presents its characteristics based on the findings from two different freeway on- and off-ramp sections. In addition, this paper proposes a new lane changing model capable of handling both passive and active drivers' driving behavior for better performance of simulations. The proposed lane changing model was tested with Hanyang Simulatin (HYTSIM), a microscopic freeway simulation program developed for this study. The HYTSIM simulation results reflecting the performance of the proposed lane changing model were compared against the field data. The test results showed that the distribution of gaps collected when vehicles change lanes were statistically identical to the field data at 95% confidence level.
Keywords
차로변경;차간시간;차간거리;상대속도;가.감속도;끼어들기;
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  • Reference
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