| 1. | Trend of vehicular traffic through non - cross harbour tunnels 非过海隧道交通趋势 |
| 2. | Transport department - cross harbour tunnel traffic flow 运输署-过海隧道交通流量 |
| 3. | Updated situation of cross harbour tunnels traffic 最新过海隧道交通消息 |
| 4. | Strategy of dispersing disaster in highway tunnel 公路隧道交通疏散策略 |
| 5. | Transport department - updated situation of cross harbour tunnels traffic 运输署-最新过海隧道交通消息 |
| 6. | Transport department - tunnels traffic 运输署-隧道交通 |
| 7. | Figure 2 . 12 road traffic accidents in tunnels by severity 2002 12二零零二按严重程度划分的隧道交通意外数字 |
| 8. | Figure 2 . 12 road traffic accidents in tunnels by severity 2001 12二零零一年按严重程度划分的隧道交通意外数字 |
| 9. | Figure 2 . 12 road traffic accidents in tunnels by severity 2003 12二零零三年按严重程度划分的隧道交通意外数字 |
| 10. | Figure 2 . 12 road traffic accidents in tunnels by severity 2000 12二零零零年按严重程度划分的隧道交通意外数字 |