Abstract
Railway transportation of hazardous materials has the characteristics of large transportation volume, small risk probability but great harm consequence, which will not only cause important harm to population, but also cause great harm to the surrounding environment. In this paper, on the determination of the risk of railway transportation of hazardous materials, considering the dynamic environmental risk during transportation and the static risk waiting for transit point, this paper constructs a double-objective model of railway transportation train selection considering environmental and population risks based on the hazardous materials railway transportation model. Through the dimensionless processing, the trains with low risk and low transportation cost are selected. Furthermore, an illustrative example is designed for analysis and solved by CPLEX solver. The results show that the number of transfer points the train passes through will directly affect the selection about train and the relative weight of the decision-maker’s attention to the environment and population will also have a significant impact on train selection.
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