Skip to contentU.S. Department of Transportation/Federal Highway Administration

September 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 91,181 2.1 Mar 39,881 0.9 Mar 171,627 1.9 Mar 253,863 2.2
Q1 111,084 -0.3 Q1 249,251 -0.7 Q1 109,294 -2.0 Q1 469,629 -0.9 Q1 689,664 -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 42,468 1.0 Jun 90,797 0.9 Jun 40,792 0.4 Jun 174,057 0.8 Jun 262,889 1.1
Q2 124,563 0.7 Q2 271,818 0.6 Q2 122,064 0.0 Q2 518,445 0.5 Q2 778,520 0.7

1st Half 235,647 0.3 1st Half 521,069 0.0 1st Half 231,358 -1.0 1st Half 988,074 -0.2 1st Half 1,468,184 0.1

Jul 41,267 0.7 Jul 91,846 0.4 Jul 41,066 -0.2 Jul 174,180 0.3 Jul 268,542 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 123,333 1.8 Q3 270,697 1.2 Q3 120,787 0.7 Q3 514,818 1.2 Q3 784,135 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 244,429 1.9 2nd Half 536,585 1.1 2nd Half 239,041 1.0 2nd Half 1,020,055 1.2 2nd Half 1,531,790 1.4

Year 480,077 1.1 Year 1,057,653 0.5 Year 470,399 0.0 Year 2,008,129 0.5 Year 2,999,974 0.8

Year-2011
Urban Interstate % Urban Other Arterial % Other Urban % Total Urban % All Systems %
Jan 36,314 0.5 Jan 80,940 0.5 Jan 35,833 0.5 Jan 153,087 0.5 Jan 224,195 0.6
Feb 34,632 0.7 Feb 77,493 0.0 Feb 34,235 1.5 Feb 146,360 0.5 Feb 214,056 0.6
Mar 40,579 0.0 Mar 89,923 -1.4 Mar 39,549 -0.8 Mar 170,051 -0.9 Mar 250,915 -1.2
Q1 111,525 0.4 Q1 248,355 -0.4 Q1 109,617 0.3 Q1 469,498 0.0 Q1 689,166 -0.1

Apr 40,223 -1.0 Apr 88,939 -2.0 Apr 40,219 -2.3 Apr 169,382 -1.8 Apr 250,871 -2.2
May 41,252 -0.6 May 88,704 -1.7 May 39,588 -1.3 May 169,544 -1.3 May 254,363 -1.8
Jun 42,422 -0.1 Jun 89,790 -1.1 Jun 40,058 -1.8 Jun 172,271 -1.0 Jun 259,399 -1.3
Q2 123,898 -0.5 Q2 267,434 -1.6 Q2 119,866 -1.8 Q2 511,198 -1.4 Q2 764,633 -1.8

1st Half 235,422 -0.1 1st Half 515,789 -1.0 1st Half 229,483 -0.8 1st Half 980,695 -0.7 1st Half 1,453,799 -1.0

Jul 40,483 -1.9 Jul 89,487 -2.6 Jul 39,884 -2.9 Jul 169,855 -2.5 Jul 261,708 -2.5
Aug 41,576 -1.3 Aug 91,501 -1.6 Aug 40,360 -1.5 Aug 173,438 -1.5 Aug 262,749 -1.8
Sep 39,701 -0.6 Sep 84,628 -1.4 Sep 37,965 -2.0 Sep 162,294 -1.4 Sep 244,244 -1.5
Q3 121,761 -1.3 Q3 265,617 -1.9 Q3 118,209 -2.1 Q3 505,587 -1.8 Q3 768,701 -2.0

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

2nd Half 121,761 -1.3 2nd Half 265,617 -1.9 2nd Half 118,209 -2.1 2nd Half 505,587 -1.8 2nd Half 768,701 -2.0

Year 357,183 -0.5 Year 781,406 -1.3 Year 347,693 -1.3 Year 1,486,282 -1.1 Year 2,222,500 -1.3

< Previous Table of Contents  Next >