This paper studies the problem of urban express joint distribution.Considering the problem of distribution complexity of city express delivery due to multiple frequency and small quantity and difficult to form economies of scale,we proposed the joint distribution mode and a mathematical model of split delivery vehicle routing problem based on the mode with the goal of minimum total distribution cost.Then an improved competition decision algorithm based on the characteristics of the model was designed.Finally,the effectiveness and practicability of the model and algorithm were illustrated by calculations.
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