Transport structure adjustment is an important means for collaborative emission reduction of greenhouse gases and conventional pollutants. In this paper, for the regional freight structure optimization, a multimodal freight network is built, the transport utility function is analyzed, a model for multi-objective regional freight structure optimization is built, Beijing-Tianjin-Hebei region is taken as an example, and the factors (e.g., the freight demand in the future years, the policy orientation for freight development, the development scales of various freight modes in the future) are taken as the constraint conditions to determine the feasible region of freight structure, build a model for multi-objective freight structure optimization with the minimum carbon emission and the maximum transport utility, and obtain the optimal freight structure in the year of carbon peaking and carbon neutrality goals, thus providing feasible ideas and methods for the sustainable development of the transport system.
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Song et al. (2024) studied this question.
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