The first high-speed railway with a designed speed of 350 kilometers per hour in Guangxi, and the whole tunnel of Guinan high-speed railway runs through.

CTOnews.com August 17 news, According to CCTV news report, Today, GuiNan high-speed rail 9000 Dashan tunnel 4 safely through. At this point, all 108 tunnels along the whole line of Guinan High-speed Railway have been connected.

Guinan High-speed Railway runs through the northwest of Guangxi Zhuang Autonomous Region and the southeast of Guizhou Province. It is an important part of Baohai Passage in China's "eight vertical and eight horizontal" high-speed railway network, and is also the first high-speed railway with a design speed of 350km/h in Guangxi.

In addition, Guiyang-South High-speed Railway has a total length of 482 kilometers, 964 kilometers of main track laying construction, 193 bridges and 108 tunnels in total, and the whole line is expected to be put into operation by the end of 2023.

CTOnews.com understands that after the operation of GuiNan high-speed railway, the operation time from Nanning to Guiyang will be shortened from more than 5 hours to about 2 hours.