| 年份 | 交通量 (輛次) | |||
| 南行 | 北行 | 雙程合計 | 平均每日 | |
| 2007 | 22,677,743 | 22,190,340 | 44,868,083 | 122,926 |
| 2008 | 22,232,555 | 22,143,283 | 44,375,838 | 121,245 |
| 2009 | 22,174,848 | 22,144,118 | 44,318,966 | 121,422 |
| 2010 | 22,090,417 | 22,040,988 | 44,131,405 | 120,908 |
| 2011 | 21,954,454 | 22,044,529 | 43,998,983 | 120,545 |
| 2012 | 21,605,813 | 21,660,111 | 43,265,924 | 118,213 |
| 2013 | 21,383,502 | 21,231,577 | 42,615,079 | 116,754 |
| 2014 | 21,158,721 | 20,885,540 | 42,044,261 | 115,190 |
| 2015 | 21,314,992 | 20,923,506 | 42,238,498 | 115,722 |
| 2016 | 21,151,721 | 20,820,948 | 41,972,669 | 114,679 |