Foreign Media: China is building a new high-speed railway tunnel, crossing 14 kilometers (about 9 miles) of Yangtze River waters, connecting Chongming Island in Shanghai with Taicang City in Jiangsu Province.
The underwater section of the tunnel has already been completed, and it is expected to be fully finished by the end of this year. The tunnel will allow trains to travel at speeds up to 350 km/h (approximately 217 mph), significantly reducing travel time between eastern coastal cities of China and Hefei, the capital of Anhui Province.
This project is part of China's new high-speed rail line, which will eventually extend to Chengdu, spanning a total length of 2,000 kilometers. It is a key project under China's latest five-year plan, with an estimated total investment exceeding 500 billion RMB (about 7.2 billion USD). The construction of this railway tunnel utilized a tunnel boring machine with a diameter of 15 meters, taking nearly two years and setting a new record for China’s longest underwater railway tunnel.
As China continues to expand its cross-regional transportation network, long underwater railway tunnels are becoming increasingly common. Currently, there are at least six similar tunnel projects underway in China.
Original article: toutiao.com/article/1861258905651402/
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