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April 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 37,245 -0.1 Jan 83,345 -0.8 Jan 34,151 0.1 Jan 154,741 -0.4 Jan 230,710 -0.7
Feb 34,950 -0.9 Feb 78,475 -1.7 Feb 32,156 -1.3 Feb 145,580 -1.4 Feb 216,931 -1.6
Mar 40,835 -0.4 Mar 92,127 0.0 Mar 37,546 0.8 Mar 170,508 0.1 Mar 257,297 0.3
Q1 113,029 -0.4 Q1 253,946 -0.8 Q1 103,853 -0.1 Q1 470,829 -0.5 Q1 704,939 -0.6

Apr 40,013 0.1 Apr 87,984 -0.1 Apr 36,482 -0.1 Apr 164,478 0.0 Apr 250,316 -0.1
May 42,450 0.6 May 92,708 0.5 May 39,069 0.9 May 174,227 0.6 May 266,366 0.7
Jun 42,417 0.1 Jun 91,200 -0.6 Jun 37,247 -0.2 Jun 170,864 -0.3 Jun 262,514 -0.3
Q2 124,881 0.3 Q2 271,892 -0.1 Q2 112,797 0.2 Q2 509,570 0.1 Q2 779,196 0.1

1st Half 237,910 -0.1 1st Half 525,839 -0.4 1st Half 216,651 0.1 1st Half 980,399 -0.2 1st Half 1,484,135 -0.2

Jul 40,977 1.2 Jul 90,147 0.0 Jul 37,184 0.7 Jul 168,308 0.5 Jul 263,869 0.4
Aug 41,927 1.1 Aug 94,194 0.7 Aug 39,689 1.1 Aug 175,811 0.9 Aug 270,500 1.4
Sep 38,660 -0.9 Sep 83,903 -1.2 Sep 36,803 -0.8 Sep 159,367 -1.0 Sep 244,858 -0.7
Q3 121,564 0.5 Q3 268,244 -0.1 Q3 113,676 0.4 Q3 503,485 0.1 Q3 779,226 0.4

Oct 40,398 0.5 Oct 90,515 0.5 Oct 37,446 0.5 Oct 168,359 0.5 Oct 258,746 0.4
Nov 39,046 -0.7 Nov 85,505 -0.9 Nov 36,350 -0.4 Nov 160,902 -0.8 Nov 243,673 -0.9
Dec 37,301 -3.7 Dec 83,783 -3.8 Dec 34,977 -3.3 Dec 156,061 -3.7 Dec 236,514 -4.1
Q4 116,745 -1.3 Q4 259,804 -1.4 Q4 108,773 -1.0 Q4 485,322 -1.3 Q4 738,932 -1.5

2nd Half 238,309 -0.4 2nd Half 528,048 -0.7 2nd Half 222,450 -0.3 2nd Half 988,807 -0.6 2nd Half 1,518,158 -0.5

Year 476,219 -0.2 Year 1,053,887 -0.6 Year 439,100 -0.1 Year 1,969,206 -0.4 Year 3,002,293 -0.4


Year-2008
Urban Interstate % Urban Other Arterial % Other Urban % Total Urban % All Systems %
Jan 36,817 -1.1 Jan 81,849 -1.8 Jan 33,804 -1.0 Jan 152,470 -1.5 Jan 226,904 -1.6
Feb 34,753 -0.6 Feb 78,199 -0.4 Feb 32,095 -0.2 Feb 145,047 -0.4 Feb 215,793 -0.5
Mar 39,620 -3.0 Mar 88,112 -4.4 Mar 35,903 -4.4 Mar 163,635 -4.0 Mar 246,182 -4.3
Q1 111,190 -1.6 Q1 248,160 -2.3 Q1 101,802 -2.0 Q1 461,152 -2.1 Q1 688,879 -2.3

Apr 39,586 -1.1 Apr 87,142 -1.0 Apr 36,064 -1.1 Apr 162,792 -1.0 Apr 245,888 -1.8
May     May     May     May     May    
Jun     Jun     Jun     Jun     Jun    
Q2 39,586 -1.1 Q2 87,142 -1.0 Q2 36,064 -1.1 Q2 162,792 -1.0 Q2 245,888 -1.8

1st Half 150,776 -1.5 1st Half 335,302 -1.9 1st Half 137,866 -1.8 1st Half 623,944 -1.8 1st Half 934,767 -2.1

Jul     Jul     Jul     Jul     Jul    
Aug     Aug     Aug     Aug     Aug    
Sep     Sep     Sep     Sep     Sep    
Q3   0.0 Q3   0.0 Q3   0.0 Q3   0.0 Q3   0.0

Oct     Oct     Oct     Oct     Oct    
Nov     Nov     Nov     Nov     Nov    
Dec     Dec     Dec     Dec     Dec    
Q4   0.0 Q4   0.0 Q4   0.0 Q4   0.0 Q4   0.0

Year 150,776 -1.5 Year 335,302 -1.9 Year 137,866 -1.8 Year 623,944 -1.8 Year 934,767 -2.1


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United States Department of Transportation - Federal Highway Administration