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引言随着全国城镇化水平与人民生活水平的提高,城市机动车保有量持续增长,交通需求日益旺盛。与此同时,各地轨道交通也经历了非同寻常的快速发展,以上海为例,轨道交通线路总长度已经由2006年的169.4公里快速增长至2014年的548公里,年均增长率高达15.81%;轨道交通年日均客运量也由2006年的179.7万乘次快速增长至2014年的
Introduction With the improvement of urbanization and living standards in the country, the number of urban motor vehicles has continued to grow, and the demand for transportation has been on the rise. In the meantime, the rail transit across the country has undergone an extraordinary rapid development. Taking Shanghai as an example, the total length of rail transit lines has rapidly increased from 169.4 km in 2006 to 548 km in 2014, with an average annual growth rate of 15.81% The annual average passenger traffic volume of rail transit also increased rapidly from 1,797,000 passenger trips in 2006 to 2014