Because of the growing use of private car between cities,it producee a series of problem,such as traffic jam between cities,energy consumption sharpen,traffic land decreased, traffic accident increased, environment pollution aggravated and so on.

• 城际间小汽车出行的增加,造成城际间交通拥挤,能源消耗增长,交通用地紧张,交通安全事故增多,环境污染严重等一系列问题的产生。