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Traffic Volume Trends - Urban
Estimated Vehicle Miles (Millions) and Percent Change from Same Period Previous Year

Year 2008
Urban Interstate%Urban Other Arterial%Other Urban%Total Urban%All Systems%
Jan 37,122   -2.1 Jan 82,964   -1.8 Jan 34,404   -1.3 Jan 154,490   -1.8 Jan 229,466   -1.8
Feb 34,922 -1.1 Feb 79,027 -0.2 Feb 32,454 -0.3 Feb 146,403 -0.5 Feb 217,553 -0.6
Mar 39,559 -3.6 Mar 88,804 -4.3 Mar 36,531 -4.3 Mar 164,894 -4.2 Mar 248,152 -4.3
Q1 111,603 -2.3 Q1 250,794 -2.2 Q1 103,390 -2.1 Q1 465,788 -2.2 Q1 695,171 -2.3
 
Apr 39,781   -1.4 Apr 88,493   -0.6 Apr 37,082   -0.8 Apr 165,357   -0.8 Apr 248,081   -1.7
May 41,426 -3.4 May 89,760 -3.6 May 37,576 -3.5 May 168,762 -3.5 May 257,135 -3.8
Jun 40,879 -4.5 Jun 87,397 -5.1 Jun 36,578 -3.6 Jun 164,853 -4.6 Jun 251,767 -5.1
Q2 122,086 -3.1 Q2 265,650 -3.1 Q2 111,236 -2.7 Q2 498,972 -3 Q2 756,983 -3.6
1st Half 233,690 -2.8 1st Half 516,444 -2.7 1st Half 214,626 -2.4 1st Half 964,760 -2.6 1st Half 1,452,154 -3
 
Jul 39,850   -3.2 Jul 88,797   -3 Jul 37,159   -2.6 Jul 165,806   -2.9 Jul 257,633   -3.5
Aug 40,441 -4.6 Aug 89,150 -5.4 Aug 36,640 -5.4 Aug 166,231 -5.2 Aug 257,106 -5.3
Sep 37,839 -4.2 Sep 82,140 -3.3 Sep 34,302 -3.7 Sep 154,282 -3.6 Sep 234,934 -4.5
Q3 118,130 -4 Q3 260,087 -3.9 Q3 108,101 -3.9 Q3 486,318 -3.9 Q3 749,674 -4.5
 
Oct 40,111   -2.9 Oct 89,718   -3.3 Oct 36,328   -3.7 Oct 166,157   -3.3 Oct 252,138   -3.6
Nov 38,258 -4.4 Nov 82,747 -5.2 Nov 33,872 -6.3 Nov 154,877 -5.3 Nov 233,182 -5.2
Dec 38,659 0.2 Dec 85,774 -0.9 Dec 36,421 -1.2 Dec 160,854 -0.7 Dec 238,580 -0.9
Q4 117,029 -2.4 Q4 258,239 -3.1 Q4 106,620 -3.7 Q4 481,888 -3.1 Q4 723,900 -3.3
2nd Half 235,159 -3.2 2nd Half 518,327 -3.5 2nd Half 214,721 -3.8 2nd Half 968,207 -3.5 2nd Half 1,473,574 -3.9
Year 468,849 -3 Year 1,034,771 -3.1 Year 429,347 -3.1 Year 1,932,966 -3.1 Year 2,925,728 -3.4

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