Cellular Automaton Models of Highway Traffic Flow Considering Lane-Control and Speed-Control

As two kinds of management modes of highway tramc control, lane-control, and speed-control produce different effect under different conditions. In this paper, traffic flow cellular automaton models for four-lane highway system with two opposing directions under the above two modes are established co...

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Published inCommunications in theoretical physics Vol. 56; no. 10; pp. 785 - 790
Main Author 钱勇生 李文俊 曾俊伟 王敏 杜加伟 广晓平
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.10.2011
Subjects
Cellular automata
Computer simulation
Density
Highways
Mathematical models
Traffic control
Traffic flow
Trucks
交通密度
元胞自动机模型
公路交通流
管理模式
计算机数值模拟
车道控制
速度控制
高速公路系统
Online AccessGet full text
ISSN0253-6102
DOI10.1088/0253-6102/56/4/32

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Summary:As two kinds of management modes of highway tramc control, lane-control, and speed-control produce different effect under different conditions. In this paper, traffic flow cellular automaton models for four-lane highway system with two opposing directions under the above two modes are established considering car and truck mixed running. Through computer numerical simulating, the fundamental diagrams with different parameters are obtained, and after the analysis of density-flux diagrams, the variation discipline of flux with traffic density under different control models is gained. The results indicate that, compared with lane-control, utilization ratio of road can be further improved with speed-control when the truck number increases. The research result is of great significance for reasonable providing theoretical guidance for highway traffic control.
Bibliography:highway, cellular automaton model, mixed traffic flow, lane-control, speed-control
QIAN Yong-Sheng , LI Wen-Jun, ZENG Jun-Wei, WANG Min DU Jia-Wei, and GUANG Xiao-Ping （School of Traffic and Transportation, Lanzhou Jiaotong University, P.O. Box 405, Lanzhou 730070, China）
As two kinds of management modes of highway tramc control, lane-control, and speed-control produce different effect under different conditions. In this paper, traffic flow cellular automaton models for four-lane highway system with two opposing directions under the above two modes are established considering car and truck mixed running. Through computer numerical simulating, the fundamental diagrams with different parameters are obtained, and after the analysis of density-flux diagrams, the variation discipline of flux with traffic density under different control models is gained. The results indicate that, compared with lane-control, utilization ratio of road can be further improved with speed-control when the truck number increases. The research result is of great significance for reasonable providing theoretical guidance for highway traffic control.
11-2592/O3
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ISSN:0253-6102
DOI:10.1088/0253-6102/56/4/32