Abstract: How to rationally adjust transportation prices under government’s lenient price control policy is the key problem of raising economic benefits and improving competitive ability for transportation enterprises. In this paper, a price adjustment model is put forward by using economic principles, and an assessment on the factors affecting the transportation prices, such as competitors’ financial power, consumers’bearing capacity to the prices, and so on, is made by adopting specialists and decision-maker’s experience. The magnitude of these factors’effects on transportation prices is given, and the model is revised and proved feasible by an example.