It consists of two steel road tunnels each with two lanes constructed using the single shell immersed tube method.

The Hong Kong government participated to 20% in order not to fully hand over their influence on the project.

In 1984, the Hong Kong Government introduced a tax in addition to the operator's toll to make the overcrowded tunnel less priced.

It was administered by The Cross-Harbour Tunnel Company Ltd until August 1999, when the operation franchise agreement expired and the government assumed control.

The 2017 Hong Kong action film Shock Wave, starring Andy Lau, set its main plot in the tunnel.

[8] Cash and Octopus Cards are no longer be accepted for payment, and the toll booths have been removed from the entrances of the tunnel.