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http://dx.doi.org/10.12652/Ksce.2011.31.6D.785

Development of Two-lane Highway Vehicle Model Based on Discrete Time and Space  

Yoon, Byoung Jo (인천대학교 도시과학대학 도시환경공학부)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.31, no.6D, 2011 , pp. 785-791 More about this Journal
Abstract
Two-lane and two-way traffic flow shows various dynamic relationships according to the behaviors of low-speed vehicle and overtaking. And it is essential to develop a vehicle model which simultaneously explains the behaviors of low-speed vehicle and overtaking using opposite lane in order to microscopically analyze various two-lane and two-way traffic flows by traffic flow simulation. In Korea, some studies for car-following and lane-changing models for freeway or signalized road have been reported, but few researches for the development of vehicle model for two-lane and two-way highway have been done. Hence, a microscopic two-lane and two-way vehicle model was, in this study, developed with the consideration of overtaking process and is based on CA (Cellular Automata) which is one of discrete time-space models. The developed model is parallel combined with an adjusted CA car-following model and an overtaking model. The results of experimental simulation showed that the car-following model explained the various macroscopic relationships of traffic flow and overtaking model reasonably generated the various behaviors of macroscopic traffic flows under the conditions of both opposite traffic flow and stochastic parameter to consider overtaking. The vehicle model presented in this study is expected to be used for the simulation of more various two-lane, two-way traffic flows.
Keywords
two-lane highway; overtaking; discrete space and time; cellular automata; vehicle model;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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