Qingdao Jiaozhou Bay Tunnel is an under-sea road tunnel located in

Qingdao Qingdao (, also spelled Tsingtao; , Mandarin: ) is a major city in eastern Shandong Province. The city's name in Chinese characters literally means " azure island". Located on China's Yellow Sea coast, it is a major nodal city of the One Belt ...

Shandong Province Shandong ( , ; ; alternately romanized as Shantung) is a coastal province of the People's Republic of China and is part of the East China region. Shandong has played a major role in Chinese history since the beginning of Chinese civilizatio ...

in eastern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

. It crosses underneath

Jiaozhou Bay The Jiaozhou Bay (; german: Kiautschou Bucht, ) is a bay located in the prefecture-level city of Qingdao (Tsingtau), China. The bay has historically been romanized as Kiaochow, Kiauchau or Kiao-Chau in English and Kiautschou in German. Geogra ...

, connecting

Huangdao District Huangdao District () and Xihai'an New Area (), also known as Qingdao West Coast is a district and a state-level new area of Qingdao, Shandong, China, located southwest and west of the main urban area of the city on the western shore of Jiaozhou ...

to the south with

Shinan District Shinan District () is an urban district of Qingdao, Shandong. It has an area of , and had approximately 588,800 inhabitants as of 2019. Shinan is located in coastal hilled terrain, and has a temperate monsoon climate. Common features include mod ...

in the north at the narrow entrance to the bay. It starts at Tuandao Road in the north and ends between Beizhuang village and Houchawan village on Xuejia Island in the south. Construction began on December 27, 2006 and was completed five years later when it opened on July 1, 2011, two months after the scheduled opening date. It opened the same day as the nearby Qingdao Jiaozhou Bay Bridge, considered at the time the world's longest open water bridge by

Guinness World Records ''Guinness World Records'', known from its inception in 1955 until 1999 as ''The Guinness Book of Records'' and in previous United States editions as ''The Guinness Book of World Records'', is a reference book published annually, listing world ...

. The bridge and tunnel were planned together as the Jiaozhou Bay Connection Project. The contiguous length of the tunnel road is about , part of which is underground and part under the sea. The sub-sea portion is . The deepest point of the crown of the tube to sea level is 74 meters. The deepest water depth is 42 meters. There are two tubes of three lanes each for a total of six lanes.

References

Toll tunnels in China Tunnels completed in 2011 {{PRChina-stub

See also

References