-Qingdao Conson Development starts construction on the second Jiaozhou Bay 
tunnel

The commencement ceremony for the second Jiaozhou Bay Tunnel project, also the 
world's longest Subsea road tunnel, was held in Qingdao's West Coast New Area 
on October 29, bringing together leaders and experts from government, academia, 
and Qingdao Conson Development (Group) Co., Ltd. (hereinafter "Qingdao Conson 
Development") to witness its kick-off. 

During the ceremony, Wang Jianhui, the Chairman of Qingdao Conson Development's 
said, "The second Jiaozhou Bay Subsea tunnel will optimize the city's urban 
structure and strengthen the connection between the east and the west, enabling 
both sides of the strait to flourish and alleviating traffic congestion. With a 
high standard of design, construction quality, and management efficiency, 
Qingdao Conson Development is excited to contribute to the emergence of Qingdao 
as an open, modern, dynamic, fashionable, and international city."

Qingdao Conson Development began preliminary research on the second Jiaozhou 
Bay Subsea tunnel in 2012, engaging China's leading experts, including 
academician Qian Qihu. In total, four pre-feasibility and 15 feasibility 
studies were conducted. Now, Qingdao Conson Development has begun construction 
on what will become the world's longest Subsea road tunnel.

This project leverages international cooperation and innovation to propel 
tunnel design and construction into a new era. By overcoming challenges such as 
tunnel ventilation, disaster prevention, super-high water pressure, passage 
through large-scale fractures, and large-scale diameter shield docking in the 
drill-and-blast method, it is a historic achievement and major feat, making 
China a leader in tunnel engineering.

The tunnel will begin at Huaihe East Road in West Coast New District, 
stretching alongside Liugongdao Road and passing under Jiaozhou Bay before 
landing at Qingdao Port, and connect East Coast, effectively connecting 
Qingdao's coastal urban areas. At 15.89 kilometers, it will feature six two-way 
lanes, making it longer than Norway's Ryfylke Tunnel (14.3 kilometers). The 
earth and stone excavated are set to top 8 million cubic meters, exceeding 
Japan's Seikan Tunnel (5.2 million cubic meters) and Europe's Channel Tunnel 
(4.8 million cubic meters). 

This project is part of China's ongoing construction of large-scale urban 
infrastructure transportation facilities supporting its economic development. 
The second Jiaozhou Bay Subsea tunnel will serve as an international benchmark 
in tunnel design, construction, and operations for the next decade, paving the 
way for future sea tunnels in China and around the world. It will also promote 
the development of Jiaozhou Bay, enhance the overall competitiveness of the 
Jiaodong Peninsula, and establish Qingdao as a world-class coastal city on the 
One Belt, One Road's Maritime Silk Road. 

Visit http://www.qdgxjt.com/about/index.html. 

About Qingdao Conson Development

Qingdao Conson Development (Group) Co., Ltd. was established in 2008 with the 
approval of the Qingdao Municipal Government. As a state-owned capital 
investment and operations entity, it operates state-owned capital and assets as 
well as conducts investment financing, capital operations, and asset 
management, with adoption of urban development strategy, taking on the mission 
of urban development.

Source: Qingdao Conson Development

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   Caption: Qingdao Conson Development starts construction on the world’s 
longest subsea road tunnel