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Cross-Harbour Tunnel

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description Cross-Harbour Tunnel Overview

The Cross-Harbour Tunnel is Hong Kong's first underwater road tunnel, connecting Hung Hom in Kowloon to Causeway Bay on Hong Kong Island. Opened in 1972 after four years of construction, this immersed tube tunnel runs beneath Victoria Harbour and forms a critical part of Route 1 in Hong Kong's road network. The tunnel significantly improved transportation between Hong Kong Island and the Kowloon Peninsula, which previously relied on ferries. It remains one of the busiest road tunnels in the world, handling over 100,000 vehicles daily despite the later construction of additional cross-harbor crossings.

help Cross-Harbour Tunnel FAQ

When did the Cross-Harbour Tunnel open in Hong Kong?

The Cross-Harbour Tunnel officially opened in 1972, making history as the very first permanent underwater road connection in Hong Kong. Before its construction, commuters had to rely entirely on ferries to cross Victoria Harbour.

Where does the Cross-Harbour Tunnel actually connect?

The tunnel plunges beneath Victoria Harbour, connecting the Hung Hom district in Kowloon directly to the Causeway Bay district on Hong Kong Island. This route provides a crucial, direct arterial link for the city's massive daily commuter traffic.

How long is Hong Kong's Cross-Harbour Tunnel?

The submerged section of the tunnel is less than 2 kilometers long, making it a very quick drive for motorists. Despite its short length, it remains one of the most heavily trafficked road tunnels in the world.

Why is the Cross-Harbour Tunnel so heavily congested today?

Because it was the city's first cross-harbour road tunnel, it connects directly into the older, highly dense commercial centers of Causeway Bay and Hung Hom. While newer tunnels have been built, its central location and historically cheaper toll rates make it a persistent bottleneck.

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