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我国西南地区第一条山区高速铁路——贵广高铁即将在2014年12月30日开通运营,作为西部地区最便捷的出海大通道,广州到贵阳的车程将从22小时缩短至4小时以内,到桂林则将从11小时缩短至2小时。贵广高铁跨黔、桂、粤三省,绵延857公里,它的外表被青山绿水覆盖,内部却密布溶洞、铁岩、地下暗河和裂隙。有数据显示,这条沿线21个车站多个站中,建在桥上或隧道里的铁路,全段桥隧比为81%,桥梁占到210公里,隧道计209个,仅仅隧道就超
The first high-speed mountainous railway in the southwest of China, the Guiyang-Guangzhou high-speed rail line, will be opened on December 30, 2014. As the most convenient sea access route in the western region, the journey from Guangzhou to Guiyang will be reduced from 22 hours to less than 4 hours. Guilin will be shortened from 11 hours to 2 hours. Guizhou-Guangzhou high-speed rail across Guizhou, Guangxi and Guangdong provinces, stretches 857 kilometers, its appearance is covered with mountains and rivers, the interior is densely covered caves, iron rocks, underground rivers and cracks. Data show that the railway station built in 21 or more stations along the bridge or tunnel, the full section of bridge and tunnel ratio of 81%, the bridge accounted for 210 km, 209 tunnels, only the tunnel on the ultra