城市交通是大城市流动的血脉,它触及到我们每个人的日常生活,一般而言,现代城市公共交通系统包括地面常规公交系统和快速轨道交通系统,从上世纪九十年代中期,全国各大城市陆续上马建设了轨道交通工程,都希望能够建立一个以轨道交通为骨干、常规交通为主体、方式多样、高效、舒适、便捷的公共 Urban transport is the blood flow of big cities, it touches every one of us daily life, in general, the modern urban public transport system, including the ground conventional bus system and rapid rail transit system from the mid-nineties of last century, the country’s major The city has launched the construction of rail transit projects, all hope to establish a rail transit as the backbone of conventional traffic as the mainstay, a variety of ways, efficient, comfortable and convenient public