High Quality Content by WIKIPEDIA articles! ShorttitleNam Wan Tunnel is a tunnel in Hong Kong which has been completed and is scheduled for opening to traffic on 20 December 2009, along with the West Tsing Yi Viaduct, East Tsing Yi Viaduct and Stonecutters Bridge. The road tunnel, which will form an important part of the HK$15bn Route 8, linking Tsing Yi and Sha Tin in the city, has been under construction since 2003 and was completed in 2007. The twin-tube tunnel, built by the Hong Kong Highways Department, is 1.2 kilometres (0.75 mi) long and have three lanes in either direction in the southern part of Tsing Yi from Sai Tso Wan to Nam Wan Kok. It will provide linkage between the eastern part of the New Territories and Chek Lap Kok International Airport. Once opened, the tunnel will be toll-free. The twin tunnels are 15 metres (49 ft) wide with 12 cross passages emergency walkways, and a portal building at each end. It was formed by blasting through granite and volcanic rocks.

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