Kai Tak Tunnel - Traffic Year Traffic (Vehicles) South-bound North-bound Total Daily Average 1997 - - 20,188,377 55,311 1998 9,211,723 11,014,855 20,226,578 55,415 1999 9,250,515 11,249,095 20,499,610 56,163 2000 9,821,901 12,162,517 21,984,418 60,067 2001 9,731,455 12,161,950 21,893,405 59,982 2002 9,662,365 12,034,957 21,697,322 59,445 2003 9,597,163 11,720,529 21,317,692 58,405 2004 9,758,394 11,884,662 21,643,056 59,134 2005 10,053,467 11,687,136 21,740,603 59,563 2006 10,176,650 10,503,508 20,680,158 56,658 Note: The Airport Tunnel was renamed as Kai Tak Tunnel on 4.5.2006