年份

交通量 ( 輛次 )

南行

北行

雙程合計

平均每日

1998

16,958,567

17,619,355

34,577,922

94,734

1999

16,070,872

16,761,170

32,832,042

89,951

2000

16,503,581

17,207,341

33,710,922

92,106

2001

16,268,870

16,900,276

33,169,146

90,874

2002

16,109,459

16,663,433

32,772,892

89,789

2003

15,741,179

16,389,769

32,130,948

88,030

2004

15,698,881

16,405,189

32,104,070

87,716

2005

15,594,722

16,379,422

31,974,144

87,600

2006

15,834,595

16,710,903

32,545,498

89,166

2007

16,046,725

16,804,100

32,850,825

90,002

2008

15,132,224

15,877,832

31,010,056

84,727