The Western Harbour Crossing is part of the Airport Core Programme which was a comprehensive set of infrastructure projects associated with the at Chek Lap Kok. The tunnel carries on the designation from the West Kowloon Highway, and connects to on Hong Kong Island.
Bus routes which use the crossing:
*Kowloon Motor Bus/New World First Bus: 904, 905, 914, 914X, 948, 948P
*New World First Bus: 970, 970X, 971
*: A10, A11, E11, R11, A12, 930, 962, 962A, 962B, 962C, 962S, 962X, X962, 967, 967X, 969, 969A, 969B, 969P, 969X, 973, 973P
*Kowloon Motor Bus: 373A, 934, 935, 960, 960A, 960P, 960S, 961, 968
*Overnights: N962, N969