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Everything You Need to Know About the Longest Bridge-and-Tunnel Sea Crossing in the World

By South China Morning Post

First envisaged in the 1980s, the Hong Kong-Zhuhai-Macao Bridge (HZMB) has finally come to fruition, vastly improving connectivity between the cities in the Greater Bay Area.

Before October 2018, there were no direct roads linking Macao and Zhuhai with Hong Kong. The Humen Pearl River Bridge, a suspension bridge completed in 1997, was the only way to travel by car between these cities, making for a 200km journey that takes at least four hours.

An alternative is travelling by ferry to Zhuhai or to Macao. The ferry from Hong Kong to Macao and back takes around one hour – not including time spent getting to and from the ferry terminal and going through immigration.

The newly opened HZMB changes all that: it gives vehicles travelling from Hong Kong a way of reaching Macao in just 30 minutes and Zhuhai in 45 minutes.

Key Facts: How The Bridge Measures Up

Key Facts: How The Bridge Measures Up

Stretching from Hong Kong to Macao’s port and beyond to Zhuhai’s port, the HZMB runs for 42km, making it the longest bridge-and-tunnel sea crossing in the world. The Zhuhai Link Road takes the HZMB’s length to a total of 55km. To put that in perspective, it’s 20 times longer than San Francisco’s Golden Gate Bridge.

On the Hong Kong side, the HZMB connects Lantau Island with Macao and Zhuhai. Four artificial islands, cable stays and a colossal amount of steel provide the bridge with the necessary support to withstand earthquakes of up to 8.0 on the Richter scale and winds of up to 340km/h.

World’s longest bridges

World’s longest bridges

The HZMB ranks 6th in the world, behind four other Chinese bridges and one in Taiwan.

See more details at South China Morning Post.

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