年份

交通量 ( 輛次 )

南行

北行

雙程合計

平均每日

1998

3,410,884

3,223,771

6,634,655

30,021

1999

7,468,267

6,988,405

14,456,672

39,607

2000

8,602,784

7,923,265

16,526,049

45,153

2001

8,265,637

7,722,628

15,988,265

43,803

2002

8,318,811

7,907,595

16,226,406

44,456

2003

8,233,454

7,923,413

16,156,867

44,265

2004

8,439,442

8,171,286

16,610,728

45,385

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