time：2023-04-02 10:21:20 source：scripttoolbox.com author：A main board

The No. 2 inclined shaft of the Yiliang Tunnel of the Chongqing-Kunming High-speed Railway was successfully completed

IT House reported on September 23, according to China Railway, on September 23, the Chongqing-Kunming high-speed railway Yiliang Tunnel No. 2 inclined shaft was successfully completed, and the world's longest high-speed railway tunnel with a speed of 350 kilometers per hour entered the construction stage. IT House has learned that the Chongqing-Kunming high-speed railway (referred to as the Chongqing-Kunming high-speed railway) has a total length of 699 kilometers. It starts from Chongqing West Railway Station, passes through Chongqing City, Sichuan Province, Guizhou Province and Yunnan Province, and connects to Kunming South Railway Station. A total of 21 station with a design speed of 350 km/h. The Yiliang Tunnel is a controlled project of the entire Chongqing-Kunming high-speed railway line, with a total length of about 24.8 kilometers. It is currently the longest high-speed railway tunnel under construction in the world with a speed of 350 kilometers per hour. The Chongqing-Kunming high-speed railway is an important part of the Beijing-Kunming Corridor, one of the main channels of the "eight vertical and eight horizontal" high-speed railways in my country. The train running time from Chongqing to Kunming will be greatly reduced, and the high-quality economic and social development along the route will be promoted.

(Responsible editor：CPU)

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