CELLULAR AUTOMATA MODEL FOR UNSIGNALIZED T-SHAPED INTERSECTION

Xin-Gang Li, Zi-You Gao (), Bin Jia and Xiao-Mei Zhao
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Xin-Gang Li: School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, P. R. China
Zi-You Gao: School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, P. R. China
Bin Jia: School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, P. R. China
Xiao-Mei Zhao: School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, P. R. China

International Journal of Modern Physics C (IJMPC), 2009, vol. 20, issue 04, 501-512

Abstract: In this paper, the unsignalized T-shaped intersection is modeled by a cellular automata model. The main street and the minor street join at the intersection. As to the traffic flow is not controlled by traffic lights, conflict happens between the vehicles from minor street and that from main street. Two different crash avoiding rules are used to dispose the conflicts. In the first rule, the priorities are given to the driving-ahead vehicle and the vehicle on the main street. In the second rule, the vehicle that reaches the conflicting point earlier enters into the intersection. The flux on each lane depending on the inflow rates is studied in detail. The capacity of the system is also investigated. Our simulation results suggest that the two rules do not take the same effect on the capacity under different traffic conditions.

Keywords: Unsignalized T-shaped intersection; vehicle flow; cellular automata; 05.40.+j; 05.50.+q; 89.40.+k (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (4)

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DOI: 10.1142/S0129183109013704

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