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

Year 2004
Urban Interstate%Urban Other Arterial%Other Urban%Total Urban%All Systems%
Jan 34,680   3.3 Jan 78,901   4.2 Jan 31,366   2.2 Jan 144,946   3.5 Jan 222,032   1.5
Feb 33,338 7.7 Feb 76,076 7.2 Feb 30,371 5.8 Feb 139,784 7 Feb 213,538 4.8
Mar 38,984 9.5 Mar 88,714 9.2 Mar 36,275 10.7 Mar 163,974 9.6 Mar 252,135 6.3
Q1 107,002 6.9 Q1 243,691 6.9 Q1 98,011 6.3 Q1 448,704 6.8 Q1 687,705 4.3
 
Apr 38,839   7.5 Apr 87,248   7.5 Apr 36,396   9.3 Apr 162,483   7.9 Apr 251,662   5
May 39,718 5 May 87,370 3.5 May 36,476 5.1 May 163,564 4.2 May 257,069 1.4
Jun 39,797 5.9 Jun 87,835 4.8 Jun 36,249 6.4 Jun 163,881 5.4 Jun 257,840 2.3
Q2 118,354 6.1 Q2 262,452 5.2 Q2 109,121 6.9 Q2 489,927 5.8 Q2 766,571 2.8
1st Half 225,356 6.5 1st Half 506,143 6 1st Half 207,132 6.6 1st Half 938,631 6.3 1st Half 1,454,276 3.5
 
Jul 39,691   4.8 Jul 89,229   4.3 Jul 36,837   5.4 Jul 165,757   4.7 Jul 266,207   1.7
Aug 39,555 3.8 Aug 89,946 4.8 Aug 36,389 4.6 Aug 165,890 4.5 Aug 262,948 1.1
Sep 37,099 3.7 Sep 81,986 4.1 Sep 34,064 4.7 Sep 153,150 4.1 Sep 242,860 2.5
Q3 116,346 4.1 Q3 261,162 4.4 Q3 107,290 4.9 Q3 484,798 4.5 Q3 772,015 1.7
 
Oct 38,023   1.3 Oct 86,663   0.7 Oct 34,748   0 Oct 159,435   0.7 Oct 253,734   -0.3
Nov 37,030 4.3 Nov 82,316 2.9 Nov 33,053 2.8 Nov 152,398 3.2 Nov 238,570 2.1
Dec 37,624 3.6 Dec 83,799 2.9 Dec 35,567 2.6 Dec 156,990 3 Dec 243,895 2.2
Q4 112,677 3 Q4 252,778 2.1 Q4 103,368 1.8 Q4 468,823 2.3 Q4 736,199 1.3
2nd Half 229,023 3.6 2nd Half 513,940 3.3 2nd Half 210,658 3.4 2nd Half 953,621 3.4 2nd Half 1,508,215 1.5
Year 454,379 5 Year 1,020,083 4.6 Year 417,790 5 Year 1,892,252 4.8 Year 2,962,491 2.5

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