The Lion Rock Tunnel, the first major road tunnel in Hong Kong, is a twin-bored toll tunnel, connecting Hin Tin, Sha Tin in the New Territories and New Kowloon near Kowloon Tong. It has two southbound lanes, and there are two northbound lanes in the Second Lion Rock Tunnel, with the toll booths located at the Sha Tin end. They are vital components of Route 1.

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Lion Rock Tunnel
獅子山隧道

Entrance of the Lion Rock Tunnel in Sha Tin, Hong Kong
Overview
Location	Through Lion Rock, connecting Kowloon Tong to Tai Wai in Hong Kong
Coordinates	22°21′21″N 114°10′22″E
Status	Active
Route	Route 1
Start	Kowloon Tong
End	Hin Tin
Operation
Work begun	January 1962; 62 years ago (1962-01)
Opened	14 November 1967; 56 years ago (1967-11-14) (Lion Rock Tunnel) 18 January 1978; 46 years ago (1978-01-18) (Second Lion Rock Tunnel)
Owner	Hong Kong Government
Operator	Greater Lucky (H.K.) Co., Ltd
Traffic	Vehicular
Toll	Yes (HK$8)
Vehicles per day	90,608
Technical
Design engineer	Young Au Young
Length	1.4 kilometres (0.87 mi)
No. of lanes	4 lanes (2 lanes per direction)
Operating speed	70 kilometres per hour (43 mph)
Chinese name
Traditional Chinese	獅子山隧道
Simplified Chinese	狮子山隧道
Transcriptions Standard Mandarin Hanyu Pinyin Shīzǐshān Suìdào Yue: Cantonese Jyutping si1 zi2 saan1 seui6 dou6

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The construction of Lion Rock Tunnel started in January 1962.^[1] The tunnel was opened on 14 November 1967, as a 1.43 km dual-one single bore tunnel. This tunnel is often described as a by-product of the Plover Cove Scheme, which was a project to build a water supply tunnel through the range of hills separating New Kowloon and the rest of the New Territories.^[2] The tunnel was designed by Young Au Young, a graduate of Lingnan and civil engineer^[3][4] from Shunde.^{[citation needed]}

The government later saw the need for another road link between New Kowloon and Sha Tin when it decided to develop the latter as a new town. The Second Lion Rock Tunnel, which is 1.41 km long and situated to the west of, and lying parallel to, the old tunnel, was opened to traffic on 18 January 1978.

The new tunnel serves northbound traffic towards Sha Tin, while the old one serves southbound traffic towards Kowloon. Traffic in both directions share one of the tunnels when the other undergoes maintenance.

Since 1993, Serco has been contracted to manage, operate and maintain the tunnel, having successfully retained the contract in 1996 and 2000.^[5]

The Tunnel has achieved both ISO 9001 and OHASA18001 in 2004. The toll to traverse the Lion Rock Tunnel is HK$8 each way.

On 23 April 2012, Greater Lucky (H.K.) Company Limited successfully bid the contract and took over the management with effect from 1 August 2012.

As the facilities within the tubes of Lion Rock Tunnel suffered from serious deterioration due to ageing, as well as broken concrete on the road surface which caused bumping when vehicles pass through, the Highways Department decided to undergo renovation works upon the tunnels in 2008. It will extend the lives of the tunnels for around 80 years more.

However, the renovation may cause even more serious congestion of the tunnels and may change the starting time for one-tube-two-way traffic (using one tube only for both direction of traffic) from 12 am to 9 or 10 pm. The fire-resisting shields on the wall of the tunnels and the ceilings would be renovated, while the words "LION ROCK TUNNEL" and its Chinese counterparts would be retained on the sides of the entrances and exits of the tunnels.

With the rapid development of the new towns, the tunnels have already reached its saturation flow just like Cross-Harbour Tunnel. The flow was eased by other tunnels being put into service later, such as Shing Mun Tunnels, Tate's Cairn Tunnel, Tsing Sha Highway. Nonetheless the convenience of its connection and directness, with a lower fee than the Tate's Cairn Tunnel, Lion Rock Tunnel contributes to the highest daily average vehicles flow of all non-harbour-crossing tunnels. 90,608 vehicles used the tunnels everyday on average in 2014.^[6]

• Lion Rock
• Beacon Hill Tunnel, the first rail tunnel in Hong Kong, opened in 1910
• Transport in Hong Kong