| 年份 | 交通量 (輛次) | |||
| 南行 | 北行 | 雙程合計 | 平均每日 | |
| 2005 | 8,579,895 | 8,265,524 | 16,845,419 | 46,152 |
| 2006 | 8,808,406 | 8,534,785 | 17,343,191 | 47,516 |
| 2007 | 9,078,744 | 8,827,536 | 17,906,280 | 49,058 |
| 2008 | 8,835,361 | 8,596,252 | 17,431,613 | 47,627 |
| 2009 | 8,199,770 | 8,013,220 | 16,212,990 | 44,419 |
| 2010 | 9,091,458 | 8,916,439 | 18,007,897 | 49,337 |
| 2011 | 9,680,941 | 9,435,825 | 19,116,766 | 52,375 |
| 2012 | 10,546,368 | 10,246,363 | 20,792,731 | 56,811 |
| 2013 | 11,109,947 | 10,772,799 | 21,882,746 | 59,953 |
| 2014 | 11,582,151 | 11,134,873 | 22,717,024 | 62,238 |