The dynamic pricing of the entire door-to-door freight transport process based on road-rail intermodal transport is a fundamental issue for promoting the development of road-rail intermodal transport. Scientific and reasonable pricing is helpful for road-rail intermodal transport companies to win in a highly competitive environment. By considering the price of road freight transport, the unit freight cost of road-rail intermodal transport was quantified. Based on the price ratio competition relationship of road-rail intermodal transport and road freight transport, the logit sharing rate model was used to construct the dynamic pricing model of door-to-door freight transport based on road-rail intermodal transport by referring to the above price ratios. This paper selected the Fuzhou-Beijing route for model application, used data such as actual distance, unit price of the freight, and unit cost of road-rail intermodal transport, and employed Mathematical software for programming and solution. As a result, the paper obtained freight sharing rate and operating income of road-rail intermodal transport and road freight transport under different price ratios. The results of the example show that when there are only two modes of logistics, road and railway, to compete in the market between Fuzhou and Beijing, and air and water transport are not considered, the operating income from road-rail intermodal transport reaches the maximum when the price ratio of road-rail intermodal transport to road freight transport is 0.646. At this moment, the total price of door-to-door freight transport based on road-rail intermodal transport is 0.19 yuan/(t∙km), and the sharing rate of the freight volume is 24.74%. In practice, marketing personnel can dynamically adjust decisions based on the model and changes in the market price of the real-time road freight market and use the price lever to achieve the supply of goods.
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