修衡广复线,大瑶山隧道全线控制工程已于5月6日胜利贯通。京广铁路是贯通我国南北的交通大动脉,北京至衡阳段早在建国初期就改建成了双线铁路,而由衡阳至广州段却只能单线沿着武水河畔,在弯道陡坡间蜿蜓伸展。这条1936年修建的铁路线,早巳陈旧不堪了,每 The Xiuheng Guangxuan Road and the Dayaoshan Tunnel’s full-line control project were successfully completed on May 6th. The Beijing-Guangzhou Railway is a traffic arteries that links the north and south of China. The Beijing-to-Hengyang section was rebuilt as a double-track railway as early as the founding of the People’s Republic of China. From Hengyang to the Guangzhou section, it can only be along a single line along the banks of the Wushui River. stretch. The railway line built in 1936 was too old and premature.