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Sustainable development of transport systems is a common topic of concern and effort in multiple countries, in which reducing carbon emissions is one of the core goals. Multimodal transport is an effective way to achieve carbon emission reduction and to efficiently utilize transport resources. The intercontinental transport system, represented by the Euro–China Expressway, is a prominent exploration that has recently received attention, which promotes the sustainable development of transport between countries and carbon emission reduction. In the intercontinental multimodal transport system, the reasonable connection of roads and railways, especially the optimization of consolidation, is an important link which affects the system's carbon emissions. This paper focuses on the consolidation of sustainable multimodal transport and summarizes the multimodal transport two-echelon location-routing problem with consolidation (MT-2E-LRP-C). We aim to solve multimodal consolidation optimization problem, especially locations of multimodal station, by routing of highway and railway. We propose a two-layer mixed integer linear problem (MILP) model, which highlights the consolidation of roads and railways, focuses on road and rail transport connections, and optimizes road routes and railway schemes. To validate the MT-2E-LRP-C model, we design a series of random instances for different quantities of nodes. In order to solve large-scale instances and realistic transport problems, we propose a hybrid differential evolution algorithm, which decomposes the problem into a railway layer and a highway layer for heuristic algorithm solving. Furthermore, the MILP model and algorithm are tested by small-scale random instances, and the hybrid differential evolution algorithm is solved for the large-scale random instances. Finally, we solve the realist instance from the Euro–China Expressway to develop instructive conclusions.
Yue Lu; Maoxiang Lang; Xueqiao Yu; Shiqi Li. A Sustainable Multimodal Transport System: The Two-Echelon Location-Routing Problem with Consolidation in the Euro–China Expressway. Sustainability 2019, 11, 5486 .
AMA StyleYue Lu, Maoxiang Lang, Xueqiao Yu, Shiqi Li. A Sustainable Multimodal Transport System: The Two-Echelon Location-Routing Problem with Consolidation in the Euro–China Expressway. Sustainability. 2019; 11 (19):5486.
Chicago/Turabian StyleYue Lu; Maoxiang Lang; Xueqiao Yu; Shiqi Li. 2019. "A Sustainable Multimodal Transport System: The Two-Echelon Location-Routing Problem with Consolidation in the Euro–China Expressway." Sustainability 11, no. 19: 5486.
The implementation of China’s Belt and Road Initiative macro strategy has promoted exchanges and cooperation between China and Europe and countries along the route. The operation of the China Railway Express provides a new transportation platform for China–Europe trade. The sustainable development of the China Railway Express has a great significance in terms of promoting the growth of China–Europe trade and meeting the demand for freight in Asia and Europe. Its time-saving advantage over shipping and its economic advantage over air transport cannot be ignored. This paper is based on the discrete selection model of stochastic utility theory. The paper constructs a multi-logit model based on generalized cost functions, including economics, timeliness, reliability, convenience, safety, and environmental protection. To calculate the market share of the China Railway Express and China–Europe Shipping, the paper conducts a quantitative analysis of the market competitiveness of the China Railway Express. Then, the sensitivity analysis and elastic analysis are carried out on the China Railway Express freight rate, the Chinese road freight rate, the China Railway Express service fee, the China Railway Express travelling speed, the China Railway Express sending operation time at the departure station, the China Railway Express transportation time error, the China Railway Express transportation frequency, and the China Railway Express carbon emissions per unit. Finally, based on the analysis results, suggestions for promoting the sustainable development of the China Railway Express are given.
Shiqi Li; Maoxiang Lang; Xueqiao Yu; Mingyue Zhang; Minghe Jiang; Sangbing Tsai; Cheng-Kuang Wang; Fang Bian. A Sustainable Transport Competitiveness Analysis of the China Railway Express in the Context of the Belt and Road Initiative. Sustainability 2019, 11, 2896 .
AMA StyleShiqi Li, Maoxiang Lang, Xueqiao Yu, Mingyue Zhang, Minghe Jiang, Sangbing Tsai, Cheng-Kuang Wang, Fang Bian. A Sustainable Transport Competitiveness Analysis of the China Railway Express in the Context of the Belt and Road Initiative. Sustainability. 2019; 11 (10):2896.
Chicago/Turabian StyleShiqi Li; Maoxiang Lang; Xueqiao Yu; Mingyue Zhang; Minghe Jiang; Sangbing Tsai; Cheng-Kuang Wang; Fang Bian. 2019. "A Sustainable Transport Competitiveness Analysis of the China Railway Express in the Context of the Belt and Road Initiative." Sustainability 11, no. 10: 2896.
The rapid and stable development of China’s economy has driven the increasing demand for express transportation. Based on network operation, China Railway Corporation of High-speed Railway launched high-speed rail products, which have attracted wide attention from all walks of life. With the application of high-speed express trains, the market structure of express transportation in China will change dramatically, from highways as the main mode of transportation to high-speed railway transportation relying on a high-speed railway network, which will effectively reduce the environmental pollution caused by express transportation and further improve the sustainable development of the economy and the logistics industry. At present, the freight Electric Multiple Units (EMU) has been successfully developed and has entered the final test stage. In the last paper, we have introduced the theory and method of the high-speed rail express train operation plan. In addition, a train diagram is an important foundation of railway transportation organization. In order to ensure the sustainable development of high-speed rail express trains after they are put into use, based on the operation plan of high-speed rail express trains, this paper establishes a comprehensive compilation model of a high-speed rail express train diagram, considering train running time, freight flow distribution scheme, and the operation plan of freight multiple units, and an exact solution algorithm based on the Lagrange relaxation algorithm is designed. The computational results are encouraging and demonstrate the effectiveness of the model and solution method.
Xueqiao Yu; Maoxiang Lang; Wenhui Zhang; Shiqi Li; Mingyue Zhang; Xiao Yu. An Empirical Study on the Comprehensive Optimization Method of a Train Diagram of the China High Speed Railway Express. Sustainability 2019, 11, 2141 .
AMA StyleXueqiao Yu, Maoxiang Lang, Wenhui Zhang, Shiqi Li, Mingyue Zhang, Xiao Yu. An Empirical Study on the Comprehensive Optimization Method of a Train Diagram of the China High Speed Railway Express. Sustainability. 2019; 11 (7):2141.
Chicago/Turabian StyleXueqiao Yu; Maoxiang Lang; Wenhui Zhang; Shiqi Li; Mingyue Zhang; Xiao Yu. 2019. "An Empirical Study on the Comprehensive Optimization Method of a Train Diagram of the China High Speed Railway Express." Sustainability 11, no. 7: 2141.
The sustained and steady development of China’s economy has led to the rapid improvement of the logistics. At the same time, the rise of the e-commerce mode has given rise to a huge demand for express delivery and the express industry has entered a period of boom. Fortunately, China’s high-speed rail network has been networked, and the development of a high-speed rail express train has entered the test stage. After the high-speed rail express train is put into use, it could effectively relieve the pressure of highway transportation and significantly reduce transport pollution. To make better use of high-speed rail transport resources and give full play to its green and efficient advantages, this study established a two-stage model of a high-speed rail express train operation plan. In the first stage, a train candidate set generation model aiming for the minimum total cost of train operation was established that considered the high-speed line carrying capacity, section flow capacity, and OD requirement satisfaction constraints, which reduces the scale of train spare parts and improves the efficiency of solution. In addition, a column generation algorithm was designed to solve the model. In the second stage, an accurate flow distribution model aiming for the optimal economic efficiency was established, and then the high-speed express train operation plan was designed completely. The computational results are encouraging and demonstrate the effectiveness of the model and solution method.
Xueqiao Yu; Maoxiang Lang; Yang Gao; Kai Wang; Ching-Hsia Su; Sang-Bing Tsai; Mingkun Huo; Xiao Yu; Shiqi Li. An Empirical Study on the Design of China High-Speed Rail Express Train Operation Plan—From a Sustainable Transport Perspective. Sustainability 2018, 10, 2478 .
AMA StyleXueqiao Yu, Maoxiang Lang, Yang Gao, Kai Wang, Ching-Hsia Su, Sang-Bing Tsai, Mingkun Huo, Xiao Yu, Shiqi Li. An Empirical Study on the Design of China High-Speed Rail Express Train Operation Plan—From a Sustainable Transport Perspective. Sustainability. 2018; 10 (7):2478.
Chicago/Turabian StyleXueqiao Yu; Maoxiang Lang; Yang Gao; Kai Wang; Ching-Hsia Su; Sang-Bing Tsai; Mingkun Huo; Xiao Yu; Shiqi Li. 2018. "An Empirical Study on the Design of China High-Speed Rail Express Train Operation Plan—From a Sustainable Transport Perspective." Sustainability 10, no. 7: 2478.