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Network Zoning is a key problem for the coordination in hierarchical control system. In traffic control area, considering the characteristics of road network, like directed and spatial property, we give one appropriate method for network zoning. Inheriting the advantages of several community detection methods, this method takes the distance between intersections and the scale of intersection into account simultaneously. And we also applied it to the parallel transportation management systems (PtMS) in Tianhe area of Guangzhou for network zoning. The results of experiments illustrate its effectiveness.