Construction of worlds widest immersed tunnel pass 3,000 meter in Shenzhong Channel China. Shenzhen-Zhongshan Corridor finish in 2024.

Shenzhen-Zhongshan Corridor is 24 kilometers. Tunnel 6.72 kilometers. Corridor has two artificial islands, two bridges, a two-way, eight-lane tunnel 46 meter wide. Largest and widest immersed tunnel in world.

China Communications Construction Co., Ltd. (CCCC) Fourth Harbor Engineering Co., Ltd work on project.

http://finance.people.com.cn/BIG5/n1/2022/0116/c1004-32332157.html