Section 4Road Tunnels and Control Areas
Traffic Statistics – Kai Tak Tunnel
| Year | Traffic (Vehicles) | |||
| Eastbound | Westbound | Total | Daily Average | |
| 2010 | 9,845,493 | 11,070,105 | 20,915,598 | 57,303 |
| 2011 | 9,826,678 | 11,004,385 | 20,831,063 | 57,071 |
| 2012 | 9,476,954 | 10,589,044 | 20,065,998 | 54,825 |
| 2013 | 9,761,467 | 11,041,475 | 20,802,942 | 56,839 |
| 2014 | 9,254,772 | 10,373,387 | 19,628,159 | 53,776 |
| 2015 | 9,157,836 | 10,245,718 | 19,403,554 | 53,160 |
| 2016 | 9,224,140 | 10,322,716 | 19,546,856 | 53,407 |
| 2017 | 9,152,387 | 10,227,644 | 19,380,031 | 53,096 |
| 2018 | 9,243,650 | 10,340,034 | 19,583,684 | 53,654 |
| 2019 | 9,058,938 | 10,126,427 | 19,185,365 | 52,563 |
| Note: | The Airport Tunnel was renamed as the Kai Tak Tunnel on 4 May 2006. |
