Abstract
The attraction area division is the foundation of distribution and organization of freight flow among railway stations. The development of railway container terminal, large railway freight distribution center, is closely related to logistics planning and economy development of local city. In this study, we divide freight flow attraction area of inland railway container terminal by using gravity model, break-point model and weighted-Voronoi-diagram with SPSS and ArcGIS. And then under the target of minimal cost and time window limitations, we develop 0–1 integer programming model for freight flow organization optimization between inland terminal and its attraction area. Finally, this paper takes railway container terminal in Harbin as an example to test model feasibility under different speeds from different transportation modes. The results show that it is necessary to divide attraction area when choosing reasonable transportation mode from feeder nodes to railway container terminal. The improvement of feeder transportation speed is an effective method to improve freight volume, increase railway revenue and realize sustainable development of China Railway (CR) Express.
Highlights
The China Railway (CR) Express is a fast-freight group of trains that is suitable for container transportation between China and Europe
Under the target of minimal cost and time window limitations, we develop 0–1 integer programming model for freight flow organization optimization between inland terminal and its attraction area
This brings about chaotic transportation rules, leading to disordered competition in the CR Express freight organization, and it fails to take the most advantage of various freight modes
Summary
Among the cities where CR Express operates, inland cities with rapid development take up the majority. With the development of CR Express and gradual improvement of inland transportation network, local governments develop different freight subsidy standards for CR Express to attract more businesses. Consignors are willing to invest a lot of transportation resources to get more freight subsidy, by even choosing farther operation railway stations of CR Express to transport goods (Table A1 in the Appendix). This brings about chaotic transportation rules, leading to disordered competition in the CR Express freight organization, and it fails to take the most advantage of various freight modes. On the basis of the division of attraction area, the further research on the optimization of freight flow organization will give the decision makers a clearer idea of decision-making
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