Complaints received by the Transport Department
| 2019 | 2020 | 2021 | |
|---|---|---|---|
| Lion Rock Tunnel | 14 | 2 | 19 |
| Aberdeen Tunnel | 27 | 11 | 17 |
| Kai Tak Tunnel | 6 | 8 | 5 |
| Shing Mun Tunnels | 15 | 13 | 8 |
| Tseung Kwan O Tunnel | 11 | 23 | 18 |
| Cross-Harbour Tunnel | 53 | 19 | 8 |
| Eastern Harbour Crossing | 24 | 24 | 21 |
| Western Harbour Crossing | 15 | 5 | 13 |
| Tate's Cairn Tunnel | 13 | 14 | 23 |
| Tai Lam Tunnel | 17 | 10 | 10 |
| Tsing Ma Control Area | 43 | 30 | 20 |
| Tsing Sha Control Area | 15 | 12 | 12 |
| Scenic Hill Tunnel | 1 | 4 | 1 |
| Airport Tunnel | 0 | ||
| Central-Wan Chai Bypass Tunnel | 10 | 14 | 20 |
| Lung Shan Tunnel and Cheung Shan Tunnel | 4 | 10 | 6 |
| Tuen Mun-Chek Lap Kok Tunnel | / | 1 | 20 |
| General | 11 | 1 | 3 |
| Total | 279 | 201 | 224 |
Note:
The Central-Wan Chai Bypass Tunnel was commissioned on 20 January 2019.
The Lung Shan Tunnel and Cheung Shan Tunnel were commissioned on 26 May 2019.
The Tuen Mun-Chek Lap Kok Tunnel was commissioned on 27 December 2020.