| 2009 | 2010 | |
| Lion Rock Tunnel | 8 | 1 |
| Aberdeen Tunnel | 2 | 3 |
| Kai Tak Tunnel | 2 | 3 |
| Shing Mun Tunnels | 12 | 12 |
| Tseung Kwan O Tunnel | 4 | 3 |
| Cross-Harbour Tunnel | 3 | 1 |
| Eastern Harbour Crossing | 5 | 2 |
| Western Harbour Crossing | 61 | 57 |
| Tate's Cairn Tunnel | 5 | 6 |
| Tai Lam Tunnel | 29 | 35 |
| Tsing Ma Control Area | 48 | 44 |
| Tsing Sha Control Area | 18 | 26 |
| General | 9 | 8 |
| Total | 206 | 201 |
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Complaints received by the Transport Department |
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