CONTROLLING THE STATES OF TRAFFIC FLOW AT THE INTERSECTIONS

Keping Li and Ziyou Gao
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Keping Li: School of Traffic and Transportation, Beijing Jiaotong University, Beijing, 100044, P. R. China
Ziyou Gao: School of Traffic and Transportation, Beijing Jiaotong University, Beijing, 100044, P. R. China

International Journal of Modern Physics C (IJMPC), 2004, vol. 15, issue 04, 553-562

Abstract: In city network, the state of the traffic flow which is in front of each intersection is random and disorder. It usually leads to some traffic problems. In this paper, we propose a new technique to control such dynamical state of the traffic flow on a main road. A type of the control signal has been designated at a given site (signal point) in front of each intersection. Under the effect of the control signal, the velocities of the vehicles which pass the signal point will be changed. Our method is tested for the "unified" CA traffic model which is the marriage of the NaSch model and the BML model. The simulation results demonstrate that using this control strategy, when the traffic light is green, the disorder state of the traffic flow which is in front of each intersection can be suppressed, and the periodic state of the traffic flow will occur.

Keywords: CA traffic model; order and disorder; time-headway; 05.40.+j; 89.40.+k (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (1)

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DOI: 10.1142/S0129183104006017

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