The CA model for traffic-flow at the grade roundabout crossing |
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Authors: | Chen Rui-Xiong Bai Ke-Zhao and Liu Mu-Ren |
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Institution: | College of Physics and Information Technology, Guangxi Normal University,Guilin 541004, China |
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Abstract: | The cellular automaton model is suggested to describe the traffic-flow at the grade
roundabout crossing. After the simulation with computer, the fundamental properties
of this model have been revealed. Analysing this kind of road structure, this paper
transforms the grade roundabout crossing with inner-roundabout-lane and
outer-roundabout-lane into a configuration with many bottlenecks. Because of the
self-organization, the traffic flow remains unblocked under a certain vehicle
density. Some results of the simulation are close to the actual design parameter. |
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Keywords: | grade roundabout crossing cellular automaton bottleneck self-organization |
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