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March 2011 Traffic Volume Trends

Volume Trends - Urban

Table - 7. Estimated Urban Vehicle Miles (Millions) and Percent Change from Same Period Previous Year**
Year-2010
Urban Interstate % Urban Other Arterial % Other Urban % Total Urban % All Systems %
Jan 36,127 -1.1 Jan 80,571 -1.9 Jan 35,670 -2.5 Jan 152,368 -1.9 Jan 222,952 -1.7
Feb 34,392 -2.3 Feb 77,499 -2.5 Feb 33,744 -4.6 Feb 145,635 -2.9 Feb 212,849 -2.9
Mar 40,566 2.3 Mar 91,183 2.1 Mar 39,881 0.9 Mar 171,630 1.9 Mar 253,868 2.2
Q1 111,085 -0.3 Q1 249,253 -0.7 Q1 109,294 -2.0 Q1 469,632 -0.9 Q1 689,668 -0.7

Apr 40,610 1.2 Apr 90,792 1.0 Apr 41,162 0.5 Apr 172,564 0.9 Apr 256,640 1.3
May 41,486 0.0 May 90,229 -0.2 May 40,109 -1.0 May 171,824 -0.4 May 258,991 -0.2
Jun 42,473 1.0 Jun 90,797 0.9 Jun 40,793 0.4 Jun 174,062 0.8 Jun 262,894 1.1
Q2 124,569 0.7 Q2 271,818 0.6 Q2 122,064 0.0 Q2 518,451 0.5 Q2 778,525 0.7

1st Half 235,653 0.3 1st Half 521,071 0.0 1st Half 231,359 -1.0 1st Half 988,083 -0.2 1st Half 1,468,193 0.1

Jul 41,254 0.6 Jul 91,846 0.4 Jul 41,065 -0.2 Jul 174,165 0.3 Jul 268,528 0.7
Aug 42,118 2.5 Aug 92,994 1.8 Aug 40,980 1.1 Aug 176,092 1.8 Aug 267,648 1.8
Sep 39,949 2.1 Sep 85,856 1.4 Sep 38,741 1.2 Sep 164,546 1.5 Sep 247,945 1.6
Q3 123,320 1.7 Q3 270,697 1.2 Q3 120,786 0.7 Q3 514,803 1.2 Q3 784,122 1.4

Oct 41,239 2.2 Oct 91,739 1.1 Oct 40,245 2.0 Oct 173,223 1.6 Oct 260,004 2.1
Nov 39,955 2.3 Nov 86,114 1.1 Nov 38,398 1.6 Nov 164,467 1.5 Nov 243,085 1.4
Dec 39,902 1.5 Dec 88,034 0.7 Dec 39,612 0.2 Dec 167,547 0.8 Dec 244,566 0.8
Q4 121,096 2.0 Q4 265,887 1.0 Q4 118,254 1.3 Q4 505,237 1.3 Q4 747,655 1.5

2nd Half 244,416 1.9 2nd Half 536,585 1.1 2nd Half 239,040 1.0 2nd Half 1,020,040 1.2 2nd Half 1,531,776 1.4

Year 480,069 1.1 Year 1,057,656 0.5 Year 470,399 0.0 Year 2,008,123 0.5 Year 2,999,970 0.8

Year-2011
Urban Interstate % Urban Other Arterial % Other Urban % Total Urban % All Systems %
Jan 36,263 0.4 Jan 80,869 0.4 Jan 35,785 0.3 Jan 152,917 0.4 Jan 223,821 0.4
Feb 34,625 0.7 Feb 77,885 0.5 Feb 34,362 1.8 Feb 146,872 0.8 Feb 214,686 0.9
Mar 40,342 -0.6 Mar 89,892 -1.4 Mar 39,476 -1.0 Mar 169,710 -1.1 Mar 250,396 -1.4
Q1 111,231 0.1 Q1 248,646 -0.2 Q1 109,622 0.3 Q1 469,499 0.0 Q1 688,902 -0.1

Apr     Apr     Apr     Apr     Apr    
May     May     May     May     May    
Jun     Jun     Jun     Jun     Jun    
Q2     Q2     Q2     Q2     Q2    

1st Half 111,231 0.1 1st Half 248,646 -0.2 1st Half 109,622 0.3 1st Half 469,499 0.0 1st Half 688,902 -0.1

Jul     Jul     Jul     Jul     Jul    
Aug     Aug     Aug     Aug     Aug    
Sep     Sep     Sep     Sep     Sep    
Q3     Q3     Q3     Q3     Q3    

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

2nd Half     2nd Half     2nd Half     2nd Half     2nd Half    

Year 111,231 0.1 Year 248,646 -0.2 Year 109,622 0.3 Year 469,499 0.0 Year 688,902 -0.1


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