【摘要】 通过对大城市地域结构变化特征、城市公共交通现状和城市轨道交通特点的研究，指出在我国必须尽快发展城市轨道交通，以解决大城市的交通问题更多还原

【Abstract】 By research of the changing features of regional structure in big cities,the present conditions of the urban public traffic and the characteristics of the urban rail traffic,it is pointed out that the urban rail traffic must be developed as soon as possible to solve the problem of traffic in big cities.更多还原