Tate's Cairn Tunnel
The 252nd longest tunnel in the world
Tate's Cairn Tunnel is a four-lane road tunnel in Hong Kong. Constructed as part of Route 2, it links Diamond Hill, New Kowloon with Siu Lek Yuen, Sha Tin, New Territories East. It opened on 26 June 1991. Its toll plaza is situated on the Sha Tin side, leading to Tate's Cairn Highway, Sha Lek Highway and various local roads. The tunnel joins the Kwun Tong Bypass and is connected with Lung Cheung Road and Hammer Hill Road and several local roads on the Kowloon side. Tate's Cairn Tunnel is the third longest road tunnel in the New Territories and in Hong Kong, and the second longest over land, with the northbound tube having a length of 3,913 metres (2.43 miles) and southbound tube having a length of 3,945 metres (2.45 miles), after Tuen Mun–Chek Lap Kok Tunnel (at 3.1 miles (4.99 km)) and Lung Shan Tunnel (3 miles (4.83 km)) – It was the longest when it opened.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).