以南京市为例 ,就决定大城市未来交通结构与模式的三种关键交通方式———小汽车、自行车、公共交通的发展前景、态势及其影响进行分析研究 ,以期为制定跨世纪的城市交通发展战略与政策提供依据 Taking Nanjing as an example, this paper analyzes and studies the development prospects, the situation and the impact of the three key transportation modes that determine the future traffic structure and mode of metropolitan cities --- cars, bicycles and public transportation. With a view to establishing a cross-century city Transport development strategies and policies provide the basis