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Traffic Volume Trends - Urban
Estimated Vehicle Miles (Millions) and Percent Change
from Same Period Previous Year (Includes Preliminary Data for April 2002)

Year 2001
Urban Interstate%Urban Other Arterial%Other Urban%Total Urban%All Systems%
Jan30,582  3.2 Jan70,266  2.5 Jan28,705  2.4 Jan129,553  2.7 Jan208,821  2.5
Feb29,193  0.4 Feb66,818  0.3 Feb27,557  0.2 Feb123,568  0.3 Feb199,541  0.0
Mar33,259  -0.4 Mar76,730  -0.9 Mar31,419  -0.8 Mar141,408  -0.8 Mar231,162  -0.7
Q193,034  1.0 Q1 213,814  0.6 Q1 87,681  0.5 Q1 394,529  0.7 Q1 639,524  0.5
 
Apr33,363  2.4 Apr75,222  0.9 Apr31,437  1.5 Apr140,022  1.4 Apr231,086  1.3
May35,071  0.8 May78,724  0.4 May32,775  0.3 May146,570  0.5 May243,960  0.5
Jun34,637  -0.2 Jun77,971  -1.1 Jun32,063  -0.8 Jun144,671  -0.8 Jun242,334  -0.4
Q2103,071  1.0 Q2 231,917  0.1 Q2 96,275  0.3 Q2 431,263  0.3 Q2 717,381  0.5
1st Half196,105 1.0 1st Half445,731 0.3 1st Half183,956 0.4 1st Half825,792 0.5 1st Half1,356,904 0.5
 
Jul34,813  2.2 Jul78,076  1.0 Jul32,398  0.8 Jul145,287  1.3 Jul248,478  1.3
Aug35,298  1.0 Aug80,447  0.7 Aug33,044  1.5 Aug148,789  1.0 Aug251,263  1.3
Sep31,944  -1.8 Sep71,454  -2.5 Sep30,012  -1.1 Sep133,410  -2.0 Sep224,244  -1.5
Q3102,055  0.5 Q3 229,977  -0.2 Q3 95,454  0.4 Q3 427,486  0.1 Q3 723,985  0.4
3 Qs298,160 0.8 3 Qs675,708 0.1 3 Qs279,410 0.4 3 Qs1,253,278 0.4 3 Qs2,080,890 0.5
 
Oct34,107  1.0 Oct78,023  0.9 Oct32,021  0.4 Oct144,151  0.8 Oct239,670  1.2
Nov33,222  2.3 Nov75,351  1.1 Nov30,954  2.8 Nov139,527  1.8 Nov229,222  2.8
Dec32,934  4.0 Dec75,191  2.2 Dec31,911  3.4 Dec140,036  2.9 Dec227,708  4.1
Q4100,263  2.4 Q4 228,565  1.4 Q4 94,886  2.2 Q4 423,714  1.8 Q4 696,600  2.7
2nd Half202,318 1.4 2nd Half458,542 0.6 2nd Half190,340 1.3 2nd Half851,200 1.0 2nd Half1,420,585 1.5
 
Year398,423 1.2 Year904,273 0.5 Year374,296 0.9 Year1,676,992 0.7 Year2,777,489 1.0

 

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