年份

交通量 ( 輛次 )

東行

西行

雙程合計

平均每日

1998

9,752,478

9,841,764

19,594,242

53,683

1999

9,705,336

9,762,548

19,467,884

53,337

2000

9,903,248

9,933,616

19,836,864

54,199

2001

9,840,354

9,794,316

19,634,670

53,794

2002

9,972,093

9,941,663

19,913,756

54,558

2003

9,652,610

9,688,391

19,341,001

52,989

2004

9,724,351

9,792,780

19,517,131

53,325

2005

9,665,724

9,730,936

19,396,660

53,142

2006

9,648,578

9,631,553

19,280,131

52,822

2007

9,876,991

9,867,151

19,744,142

54,094

2008

8,951,956

8,985,640

17,937,596

49,010