铁道部部长近日说 ,本世纪前 2 0年 ,我国将在大城市间和主要通道建设客运专线及高速铁路 ,形成以高速铁路为龙头 ,以北京、上海、广州为中心的客运专线网。铁路部门将进一步加强既有铁路技术改造 ,继续实施提速战略 ,使主要客运通道旅客列车运行时速达到 1 60～ 2 0 0 km,积极 Recently, the Ministry of Railways said that in the 20 years of this century, China will construct passenger dedicated lines and high-speed railways between major cities and major corridors to form a dedicated passenger network with high-speed railway as the center and Beijing, Shanghai and Guangzhou as the center. The railway department will further strengthen the technological transformation of existing railways and continue to implement the speed-raising strategy so that passenger trains running at major passenger trains will run at speeds of 160-200 km / h and will be active