Abstract
Generally speaking,key junction nodes of typical urban region traffic network control system like SCOOT and SCATS need to be defined according to traffic flow and connected links number in reality.However,once the attack of traffic incident in hub node happened,it is difficult to insure the effectiveness and stability of whole traffic network.Considering the free scale features of urban traffic network,this paper discussed how to select hub node in weighted complex traffic network,adopted weighted node contraction method to evaluate node importance,which took network agglomeration as index.And the effectiveness of the method was proved through an application case.Then the optimization strategies for SCATS system based on hub node selection were provided.
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