Opened for use in April, 1997, WHT is the 3rd and newest cross-harbour tunnel in Hong Kong

Connects Hong Kong Island to the new Chep Lap Kok Airport and forms part of Route 3 between Hong Kong and the Chinese border

The Franchise of WHT is held by Western Harbour Tunnel Company Ltd. for 30 years from 1993 to 2023

Average daily traffic for 2007 was 48,816 vehicles

CITIC Pacific holds 35% interest in WHT