HZMB – A bridge-tunnel system on the Pearl River Delta

A 55-kilometre bridge system consisting of a series of three cable-stayed bridges, an undersea tunnel, and four artificial islands.

It is both the longest sea crossing and the longest open-sea fixed link on earth. The Bridge spans the Lingding and Jiuzhou channels, connecting Hong Kong, Macau, and Zhuhai-three major cities on the Pearl River Delta.

Artificial Island of the HZM Bridge system / Image source

Construction of project began on 15 December 2009 on the Chinese side. Construction of the Hong Kong section of the project began in December 2011 after a delay caused by a legal challenge regarding the environmental impact of the bridge.

Construction of the Main Bridge, consisting of a viaduct and an undersea tunnel, was completed on 6 July 2017, and the entire construction project was completed on 6 February 2018. On 24 October 2018, was opened to the public after its inauguration a day earlier by Chinese leader Xi Jinping.

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