Transportation analysis of Chinese expressway network in 2006

To understand passenger and freight transport in Chinese expressway network, the database of toll-by-weight system was introduced, a method of complete investigation and sampling survey was applied, the transport statistics of expressway network was carried out, and the transport actuality was analyzed. Analysis result shows that truck traffic volume accounts for 36.09% of total traffic volume, 57.23% of freight turnover volume is completed by tractor-trailer combinations; the percentage of empty to loaded truck kilometers is about 20.13%, it is higher of short distance intra-province transportation than long distance inter-province transportation; 30.12% of passenger turnover volume is completed by passenger cars and minitype buses, the seat amount of every bus is less than 13, average passengers carried by per car are 2.55, but major passenger turnover volume is completed by buses; 43.80% of passengers and 53.92% of cargoes are from counties and rural areas. Obviously, Chinese expressway network is the artery in multimodal transportation system, and it improves the equitable improvement of society.