| 2015 | 2016 | |
| Lion Rock Tunnel | 7 | 17 |
| Aberdeen Tunnel | 22 | 25 |
| Kai Tak Tunnel | 15 | 11 |
| Shing Mun Tunnels | 11 | 5 |
| Tseung Kwan O Tunnel | 8 | 7 |
| Cross-Harbour Tunnel | 20 | 37 |
| Eastern Harbour Crossing | 6 | 12 |
| Western Harbour Crossing | 7 | 18 |
| Tate's Cairn Tunnel | 13 | 15 |
| Tai Lam Tunnel | 21 | 23 |
| Tsing Ma Control Area | 87 | 51 |
| Tsing Sha Control Area | 29 | 12 |
| General | 7 | 8 |
| Total | 253 | 241 |
| Note: | The number of complaint of Tsing Ma Control Area increased from 43 cases in 2014 to 87 cases in 2015. The majority of cases were for the Kap Shui Mun Bridge incident in October 2015. |