| 年份 | 交通量 (輛次) | |||
| 南行 | 北行 | 雙程合計 | 平均每日 | |
| 2005 | 7,446,926 | 7,586,864 | 15,033,790 | 41,188 |
| 2006 | 8,001,425 | 8,194,563 | 16,195,988 | 44,373 |
| 2007 | 8,775,080 | 9,042,624 | 17,817,704 | 48,816 |
| 2008 | 8,672,885 | 8,800,642 | 17,473,527 | 47,742 |
| 2009 | 8,728,219 | 8,872,705 | 17,600,924 | 48,222 |
| 2010 | 9,724,843 | 9,832,011 | 19,556,854 | 53,580 |
| 2011 | 10,334,138 | 10,452,681 | 20,786,819 | 56,950 |
| 2012 | 10,975,847 | 11,149,635 | 22,125,482 | 60,452 |
| 2013 | 11,216,731 | 11,397,394 | 22,614,125 | 61,957 |
| 2014 | 11,422,736 | 11,583,613 | 23,006,349 | 63,031 |