Research on the Location of Subway Freight Transportation Transfer Stations Based on Two-stage Method
The use of the remaining capacity of subway to undertake the freight transportation can reduce the pressure of road traffic to a certain extent.In this paper,a location model of urban subway freight transportation transfer station based on two-stage method is established.Through the improved analytic hierarchy process and parallel mutation immunity algorithm,the optimal location of the subway freight transportation transfer station is obtained.Through the analysis of examples,it is found that when the number of transfer stations of subway freight transportation is set to four,there are five schemes to choose from;when the number of subway freight transportation transfer stations is set to five,only one option can be selected.The results show that the two-stage method can qualitatively and quantitatively study the location of subway freight transportation transfer stations,which is conducive to the selection of the optimal scheme.
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