随着社会与经济的发展,城市化已成为当今世界发展的重要趋势。在城市化历程中,不同规模及不同发展阶段的城市产生了不同的交通需求。从许多国际化大都市发展的实践看,轨道交通以其运量大、速度快的技术优势已成为城市交通结构中不可缺少的组成部分,较好地解决了大、中城市交通日益增长的供需矛盾问题,并满足了城市化的要求。 With the social and economic development, urbanization has become an important trend in the development of the world today. In the process of urbanization, cities of different scales and different stages of development have different traffic needs. From the practice of many international metropolis development, rail transit has become an indispensable part of urban traffic structure with its advantages of large capacity and fast speed, which can well solve the problem of increasing supply and demand of large and medium-sized cities Contradictory issues, and to meet the requirements of urbanization.