Cross-Harbour Tunnel
The Cross-Harbour Tunnel (abbreviated CHT or XHT) is the first tunnel in Hong Kong built underwater. It consists of two steel road tunnels each with two lanes constructed using the single shell immersed tube method.
| Overview | |
|---|---|
| Location | Beneath Victoria Harbour, between Hung Hom Bay and Kellet Island |
| Coordinates | 22°17′29″N 114°10′56″E |
| Status | Active |
| System | Part of Route 1 |
| Start | Hung Hom Bay, Kowloon (between Hong Chong Road and Salisbury Road) |
| End | Kellet Island, Causeway Bay, Hong Kong Island (Canal Road Flyover) |
| Operation | |
| Opened | 2 August 1972 |
| Owner | Hong Kong Government |
| Operator | Chun Wo Tunnel Management Limited |
| Traffic | Vehicular |
| Vehicles per day | 116,754 |
| Technical | |
| Length | 1.86 kilometres (1.16 mi) |
| No. of lanes | 4 lanes (2 lanes per direction) in road tunnel with 3 lanes per direction on exit |
| Operating speed | 70 kilometres per hour (43 mph) (within tunnel) 50 kilometres per hour (31 mph) (exit and entrance to tunnel) |
| Cross-Harbour Tunnel | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chinese | 海底隧道 | ||||||||||||
| Jyutping | Hoi2dai2 Seoi6dou6 | ||||||||||||
| Literal meaning | Seabed tunnel | ||||||||||||
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| Alternative Chinese name | |||||||||||||
| Traditional Chinese | 紅磡海底隧道 | ||||||||||||
| Simplified Chinese | 红磡海底隧道 | ||||||||||||
| Jyutping | Hung4ham3 Hoi2dai2 Seoi6dou6 | ||||||||||||
| Literal meaning | Hung Hom seabed tunnel | ||||||||||||
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It is the earliest of three vehicular harbour crossings in Hong Kong, opened for traffic in 1972. It was constructed under a 30-year private-sector franchise based on a build–operate–transfer model, and the title passed to the Hong Kong government in 1999 upon termination of the franchise. It has become one of the most congested roads in Hong Kong and the world, with 116,753 vehicles passing through it daily in 2013.
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