According to the report, Xicheng High-speed Railway is the first high-speed railway to cross the Qinling Mountains, the north-south boundary line of China, and the first high-speed railway in mountainous areas to achieve full coverage of 4G signal equipment. Its tunnel group is the largest in China, and the continuous long ramp is the highest in China. From "it's hard to get to the sky" in the ancient Shu Dao to "it's no longer difficult" in the new Shu Dao, the story of the new and old Shu Dao tells the change of Sichuan people's transportation mode.
According to relevant sources, there are seven extra-long tunnels in the Qinling Mountains with the length exceeding 10 km, forming a group of extra-long tunnels with the length of 126 km. This tunnel group is the largest in China. Qinling Mountain is the watershed between the Yangtze River and the Yellow River, with five deep fault zones. The geological conditions are extremely complicated and the construction is difficult.
Jialing River Bridge of Xicheng High-speed Railway in Guangyuan City is a collection of baoji-chengdu railway, Laochuan-Shaanxi Highway, G5 Jingkun Expressway and newly-built Xicheng High-speed Railway. Several different modes of transportation out of Sichuan complement each other here, which can be called the "cat walk" of the steel "Big Mac".
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