Section 4Road Tunnels and Control Areas
Traffic Statistics – Eagle's Nest Tunnel and Sha Tin Heights Tunnel
| Year | Traffic (Vehicles) |
| Southbound | Northbound | Total | Daily Average |
| 2010 | 5,690,169 | 5,895,356 | 11,585,525 | 31,741 |
| 2011 | 6,360,315 | 6,537,845 | 12,898,160 | 35,337 |
| 2012 | 7,123,708 | 7,358,428 | 14,482,136 | 39,569 |
| 2013 | 7,666,793 | 7,954,186 | 15,620,979 | 42,797 |
| 2014 | 8,327,237 | 8,649,834 | 16,977,071 | 46,513 |
| 2015 | 8,936,319 | 9,365,148 | 18,301,467 | 50,141 |
| 2016 | 9,774,936 | 10,105,031 | 19,879,967 | 54,317 |
| 2017 | 10,305,854 | 10,649,639 | 20,955,493 | 57,412 |
| 2018 | 10,833,292 | 11,121,339 | 21,954,631 | 60,150 |
| 2019 | 11,142,326 | 11,356,381 | 22,498,707 | 61,640 |