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.[1]
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 (BOT) 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.[2]
History
Cross-Harbour Tunnel was completely suspended during protest in November 2019
The Hong Kong government used the BOT model for the implementation of the tunnel project;financing and construction was the responsibility of a private enterprise,which was granted a concession to operate and collect tolls for 30 years. The concession was given to the then Cross-Harbour Tunnel Company Limited (Chinese:香港隧道有限公司),today the Cross-Harbour Holdings Limited (港通控股有限公司),which was founded in 1965 to carry out the tunnel project. The Hong Kong government participated to the tune of 20% in order not to fully hand over their influence on the project. The tunnel was designed with two lanes in each direction for a capacity of 80,000 vehicles. The project was structurally managed jointly by the British engineering firms Scott Wilson Kirkpatrick &Partners and Freeman Fox &Partners. The tunnel links the main financial and commercial districts on both sides of Victoria Harbour,connecting Kellett Island (a former island now connected to Hong Kong Island by reclamation),with a reclaimed site on the western side of Hung Hom Bay,Kowloon,off then Hong Kong Technical College. The toll plaza is located at the Hung Hom end of the tunnel,and has 14 toll booths. It provides the first road link and the first link for land transport between Kowloon and Hong Kong Island. Prior to the opening of the tunnel,cross-harbour vehicular traffic depended on ferries and for passengers,the Star Ferry. The project was joint-engineered by Scott Wilson Kirkpatrick &Partners and FreemanFox&Partners.[3]
Construction began in September 1969 and was to last four years. The concession period ran from the start of construction,and the operator accordingly completed the construction one year faster than planned. On 2 August 1972,the tunnel was opened for traffic,charging HK$5 per car crossing. After just three and a half years of operation,the operator had recouped the construction costs.
In 1984,the Hong Kong Government introduced a tax in addition to the operator's toll to make the overcrowded tunnel less priced. The price for a car transit was now HK$10.
In 1993,an electronic toll collection system was installed. Together with measures to control the flow of traffic,the vehicle capacity could be increased.
It was administered by The Cross-Harbour Tunnel Company Ltd until August 1999,when the operation franchise agreement expired and the government assumed control. From 1 November 2010,the tunnel was managed,operated and maintained by Serco on a contract basis.[4] The tunnel was then operated by Chun Wo Tunnel Management Limited,which was awarded a contract lasting from 2016 to 2022.[5] On 1 November 2022,Serco took over from Chun Wo Tunnel Management Limited.[6]
The 2017 Hong Kong action film Shock Wave,starring Andy Lau,set its main plot in the tunnel.
In November 2019,Hong Kong protesters set roadblocks across the northern tunnel entrance and set fire to tollbooths,as many roads around the Polytechnic University were blocked,leading to the closure of the tunnel for a dozen of days.[7]
Fees
Initial (1972)
From 1984
From 1992
From 1999
From 23 July 2023
Private car
$5
$10
$10
$20
$30
Taxi
$5
$10
$10
$10
$25
Light goods vehicle (LGV)
$10
$15
$15
$15
$50
Heavy goods vehicle (HGV)
$20
$25
$30
$30
$70
Source:Consultancy report,[8] Transport Department[9]
As of October 2011,the tunnel generated approximately HK$700 million in annual toll revenue.[4]
In 2023,manual toll collectors have been phased out with HKeToll,an electronic toll collection service introduced by the Transport Department.[10] Cash and Octopus Cards are no longer be accepted for payment,and the toll booths have been removed from the entrances of the tunnel.
↑"Transport Department - Non-works Contracts". www.td.gov.hk. Archived from the original on 30 November 2024. Retrieved 22 December 2025. TD(T) 4/2021 Agreement for Management, Operation and Maintenance of Cross-Harbour Tunnel 7.10.2022 Serco Group (HK) Limited 538.896224 72 months (1.11.2022-31.10.2028)
α. ^ ab Entirely in the New Territories, but all access roads on one side pass through New Kowloon. Italics indicate that a tunnel is under construction.
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