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September 2008 Traffic Volume Trends

Volume Trends - Urban

Table - 7. Estimated Urban Vehicle Miles (Millions) and Percent Change from Same Period Previous Year**
Year-2007
Urban Interstate % Urban Other Arterial % Other Urban % Total Urban % All Systems %
Jan 37,257 -0.1 Jan 83,349 -0.8 Jan 34,314 0.2 Jan 154,919 -0.4 Jan 230,926 -0.7
Feb 34,746 -0.9 Feb 78,204 -1.6 Feb 32,069 -1.1 Feb 145,019 -1.3 Feb 216,248 -1.6
Mar 40,400 -0.4 Mar 91,644 0.0 Mar 37,705 0.8 Mar 169,749 0.1 Mar 256,463 0.3
Q1 112,403 -0.4 Q1 253,197 -0.8 Q1 104,088 0.0 Q1 469,688 -0.5 Q1 703,637 -0.6

Apr 39,682 0.2 Apr 87,908 0.0 Apr 36,912 -0.1 Apr 164,502 0.0 Apr 249,646 -0.1
May 42,151 0.6 May 91,947 0.5 May 38,361 1.0 May 172,459 0.7 May 264,231 0.8
Jun 42,055 0.0 Jun 90,917 -0.6 Jun 37,379 -0.2 Jun 170,351 -0.4 Jun 262,374 -0.2
Q2 123,888 0.2 Q2 270,772 0.0 Q2 112,651 0.2 Q2 507,311 0.1 Q2 776,251 0.2

1st Half 236,291 -0.1 1st Half 523,969 -0.4 1st Half 216,739 0.1 1st Half 976,999 -0.2 1st Half 1,479,888 -0.2

Jul 40,493 1.2 Jul 90,354 0.3 Jul 37,563 0.7 Jul 168,410 0.6 Jul 264,136 0.6
Aug 41,713 1.1 Aug 93,080 0.8 Aug 38,159 1.2 Aug 172,952 1.0 Aug 268,680 1.5
Sep 38,843 -0.9 Sep 83,836 -1.1 Sep 35,196 -0.7 Sep 157,874 -1.0 Sep 243,555 -0.6
Q3 121,048 0.5 Q3 267,270 0.0 Q3 110,917 0.4 Q3 499,236 0.2 Q3 776,371 0.5

Oct 40,663 0.3 Oct 91,613 0.6 Oct 37,256 0.5 Oct 169,533 0.5 Oct 258,747 0.5
Nov 39,377 -0.7 Nov 86,192 -0.8 Nov 35,707 -0.1 Nov 161,276 -0.6 Nov 243,280 -0.6
Dec 37,822 -4.6 Dec 85,491 -3.6 Dec 36,569 -3.2 Dec 159,881 -3.7 Dec 238,176 -4.0
Q4 117,862 -1.7 Q4 263,296 -1.2 Q4 109,532 -1.0 Q4 490,690 -1.3 Q4 740,203 -1.4

2nd Half 238,911 -0.6 2nd Half 530,566 -0.6 2nd Half 220,449 -0.3 2nd Half 989,926 -0.5 2nd Half 1,516,574 -0.4

Year 475,201 -0.3 Year 1,054,534 -0.5 Year 437,189 -0.1 Year 1,966,924 -0.4 Year 2,996,462 -0.3

Year-2008
Urban Interstate % Urban Other Arterial % Other Urban % Total Urban % All Systems %
Jan 36,792 -1.2 Jan 82,012 -1.6 Jan 33,953 -1.1 Jan 152,758 -1.4 Jan 227,299 -1.6
Feb 34,404 -1.0 Feb 77,987 -0.3 Feb 31,983 -0.3 Feb 144,374 -0.4 Feb 215,126 -0.5
Mar 38,954 -3.6 Mar 87,654 -4.4 Mar 35,985 -4.6 Mar 162,593 -4.2 Mar 245,094 -4.4
Q1 110,150 -2.0 Q1 247,653 -2.2 Q1 101,922 -2.1 Q1 459,725 -2.1 Q1 687,519 -2.3

Apr 39,239 -1.1 Apr 87,455 -0.5 Apr 36,490 -1.1 Apr 163,183 -0.8 Apr 245,568 -1.6
May 40,682 -3.5 May 88,731 -3.5 May 36,909 -3.8 May 166,323 -3.6 May 254,163 -3.8
Jun 40,090 -4.7 Jun 86,330 -5.0 Jun 35,908 -3.9 Jun 162,328 -4.7 Jun 248,829 -5.2
Q2 120,011 -3.1 Q2 262,516 -3.0 Q2 109,307 -3.0 Q2 491,834 -3.1 Q2 748,560 -3.6

1st Half 230,161 -2.6 1st Half 510,169 -2.6 1st Half 211,229 -2.5 1st Half 951,560 -2.6 1st Half 1,436,079 -3.0

Jul 39,177 -3.2 Jul 87,634 -3.0 Jul 36,406 -3.1 Jul 163,216 -3.1 Jul 254,403 -3.7
Aug 39,683 -4.9 Aug 87,914 -5.6 Aug 35,882 -6.0 Aug 163,478 -5.5 Aug 253,693 -5.6
Sep 37,320 -3.9 Sep 81,322 -3.0 Sep 33,841 -3.8 Sep 152,482 -3.4 Sep 232,847 -4.4
Q3 116,179 -4.0 Q3 256,869 -3.9 Q3 106,129 -4.3 Q3 479,177 -4.0 Q3 740,943 -4.6

Oct     Oct     Oct     Oct     Oct    
Nov     Nov     Nov     Nov     Nov    
Dec     Dec     Dec     Dec     Dec    
Q4     Q4     Q4     Q4     Q4    

2nd Half 116,179 -4.0 2nd Half 256,869 -3.9 2nd Half 106,129 -4.3 2nd Half 479,177 -4.0 2nd Half 740,943 -4.6

Year 346,341 -3.1 Year 767,038 -3.1 Year 317,358 -3.1 Year 1,430,736 -3.1 Year 2,177,022 -3.5


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