Vehicular traffic flow at a non-signalised intersection

Details Vehicular traffic flow at a non-signalised intersection Vehicular traffic flow at a non-signalised intersection

2007-12-13

arxiv.org/abs/0712.2157v1

J. Phys. A: Math. Theor. 40, 8289-8297 (2007)

Physics

Physics and Society

Revtex, 5 pages, 9 eps figures

Scientific paper

10.1088/1751-8113/40/29/006

We have developed a modified Nagel-Schreckenberg cellular automata model for describing a conflicting vehicular traffic flow at the intersection of two streets. No traffic lights control the traffic flow. The approaching cars to the intersection yield to each other to avoid collision. Closed boundary condition is applied to the streets. Extensive Monte Carlo simulations is taken into account to find the model characteristics. In particular, we obtain the fundamental diagrams and show that the effect of interaction of two streets can be regarded as a dynamic impurity located at the intersection point. Our results suggest that yielding mechanism gives rise to a high total flow throughout the intersection especially in the low density regime. In some ranges of densities, yielding mechanism even improves and regulates the flow in comparison to the absence of perpendicular flow.

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