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Paper   IPM / Nano-Sciences / 11757
School of Nano Science
  Title:   Vehicular traffic flow at an intersection with the possibility of turning
1.  Mohammad Ebrahim Fooladvand
2.  Somayeh Belbasi
  Status:   Published
  Journal: J. Phys. A: Math. Theor.
  No.:  10
  Vol.:  44
  Year:  2011
  Pages:   19
  Publisher(s):   IOP Publishing Ltd
  Supported by:  IPM
We have developed a Nagel–Schreckenberg cellular automata model for describing a vehicular traffic flow at a single intersection. A set of traffic lights operating in a fixed-time scheme controls the traffic flow. An open boundary condition is applied to the streets each of which conducts a unidirectional flow. Streets are single lane and cars can turn upon reaching to the intersection with prescribed probabilities. Extensive Monte Carlo simulations are carried out to find the model flow characteristics. In particular, we investigate the flow dependence on signalization parameters, turning probabilities and input rates. It is shown that for each set of parameters, there exists a plateau region inside which the total outflow from the intersection remains almost constant. We also compute total waiting time of vehicles per cycle behind red lights for various control parameters.

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