The main line of the Shenzhen-Zhongshan Corridor, a major national project, is completed At 10:15 on November 28, Guangdong Communications Group announced that the main line of the Shenzhen-Zhongshan Corridor, a major national project, was completed. The Shenzhen-Zhongshan Channel is a cross-sea channel connecting Shenzhen to Zhongshan. It is a cross-sea cluster project integrating "bridges, islands, tunnels, and underwater interconnections". The project adopts the East Tunnel and West Bridge scheme. The route starts from the Shenzhen Airport Interchange, connects with the second phase of the Guangzhou-Shenzhen Coastal Expressway, crosses the Pearl River Estuary to the west, lands at Ma'an Island in Zhongshan, and connects with the expressway under construction, and is realized through the connecting line Landed in Shenzhen, Zhongshan and Guangzhou on both sides of the Taiwan Strait. The project has a total length of 24 kilometers, two-way eight lanes, and a design speed of 100 kilometers per hour. It is currently the most difficult cross-sea cluster project in the world to comprehensively construct. During the construction process, the project created many "best in the world" such as the world's first extra-long two-way eight-lane submarine immersed tube tunnel. Currently, the project is making every effort to promote the construction of housing, electromechanical and ancillary projects. It is planned to be completed and opened to traffic in 2024. By then, the journey from Zhongshan to Shenzhen will be shortened from about two hours to less than 30 minutes.

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