Link is split into two traffic levels; the upper level is an open, 3-lane divided highway, while the lower level is a double-track railway line used by the MTRAirport Express and Tung Chung line and also contains two single-lane roads for emergency use in both directions. The speed limit is 80 kilometres per hour (50 mph) on the upper level and 50 kilometres per hour (31 mph) on the lower level. In normal situations, the lower level is not used except in special circumstances such as strong wind or serious accidents which could lead to the closure of the upper level. The lower level is not connected to Ma Wan.
The Lantau Link is one of the two land passageway connecting Lantau and other parts of Hong Kong; Tuen Mun–Chek Lap Kok Link via Tuen Mun opened on 27 December 2020 as the second land connection, reducing the traffic pressure on Lantau Link.[2]
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