Combined transportation combined transportation is one of the main organizational activities of rational transportation. Organically connect different transportation modes, several transportation enterprises, or production, supply, transportation and marketing departments, and make overall planning for the whole transportation distance, so that the goods can be transported to the receiving place quickly, simply, economically and safely from the place of origin or origin after handling one consignment procedure; Passengers can arrive at their destination by one ticket. Combined transportation rose in the 1950s in the world, and China is one of the earliest countries. With the development of combined transportation, its scope and forms are expanding and increasing. The forms of combined transportation can be divided into two categories: one is the combined transportation between different transportation modes organized by different transportation enterprises, which is called "one-stop" combined transportation in China.