随着社会经济的快速发展和城市化进程的不断加快,我国大城市人口急剧膨胀,交通需求迅速增长,城市交通问题日益突出。在正确认识大城市中各种客运方式外部成本及效益的基础上,提出将外部效应内部化的措施,将有利于构筑公平合理的大城市客运交通结构,从而解决困扰大城市发展的交 With the rapid social and economic development and the accelerating process of urbanization, the population of big cities in our country is rapidly expanding, the demand for transportation is rapidly increasing, and the problem of urban transportation is becoming increasingly prominent. On the basis of a correct understanding of the external costs and benefits of various passenger modes in big cities, the measures to internalize the external effects will be conducive to building a fair and reasonable passenger transport structure in large cities so as to solve the problems that plague the development of big cities