根据《中长期铁路网规划》,新一轮铁道建设迫在眉睫。而路网规划中的客运专线建设尤为引人注目。这是满足我国国民经济和社会发展需要的重要举措,也是我国铁路建设史上一个跨越式发展阶段。目前,已批准的9条客运专线需要在 2010年前完工(其中京津线必须在2007年完工),考虑到工期和施工流程因素,从 According to the “medium and long-term railway network planning,” a new round of railway construction is imminent. The road network planning in the construction of passenger dedicated line is particularly noticeable. This is an important measure to meet the needs of our national economy and social development. It is also a leapfrog development stage in the history of railway construction in our country. At present, the approved nine passenger dedicated lines need to be completed by 2010 (of which Beijing and Tianjin lines must be completed in 2007), taking into account the construction period and the construction process, from