第四章行車隧道及管制區
交通流量—青嶼幹線
| 年份 | 交通量（輛次） | |||
| 東行 | 西行 | 雙程合計 | 平均每日 | |
| 2010 | 11,305,470 | 11,366,602 | 22,672,072 | 62,115 |
| 2011 | 11,930,072 | 11,993,599 | 23,923,671 | 65,544 |
| 2012 | 12,542,569 | 12,596,650 | 25,139,219 | 68,686 |
| 2013 | 13,315,619 | 13,394,034 | 26,709,653 | 73,177 |
| 2014 | 14,156,771 | 14,230,021 | 28,386,792 | 77,772 |
| 2015 | 15,312,193 | 15,339,495 | 30,651,688 | 83,977 |
| 2016 | 16,185,570 | 15,936,173 | 32,121,743 | 87,764 |
| 2017 | 17,088,693 | 16,988,363 | 34,077,056 | 93,362 |
| 2018 | 17,664,017 | 17,663,631 | 35,327,648 | 96,788 |
| 2019 | 17,823,424 | 17,737,529 | 35,560,953 | 97,427 |