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Traffic Volume Trends - Urban
Estimated Vehicle Miles (Millions) and Percent Change for 1999

Year 1999
Urban Interstate%Urban Other Arterial%Other Urban%Total Urban%All Systems%
Jan28,054 -2.7Jan65,654 -1.7Jan27,082 -0.3Jan120,790 -1.7Jan194,436 -1.2
Feb27,833 1.8Feb64,127 1.6Feb26,763 3.6Feb118,723 2.1Feb192,333 2.8
Mar31,783 1.8Mar74,024 3.1Mar30,537 4.2Mar136,344 3.0Mar221,739 3.5
Q1 87,670 0.3Q1 203,805 1.0Q1 84,382 2.5Q1 375,857 1.2Q1 608,508 1.7
 
Apr31,587 0.5Apr72,469 1.1Apr30,347 2.7Apr134,403 1.3Apr221,979 1.9
May32,755 1.9May74,282 0.8May31,334 2.4May138,371 1.4May231,814 1.7
Jun33,613 4.1Jun76,761 3.7Jun31,767 3.8Jun142,141 3.8Jun237,016 3.6
Q2 97,955 2.2Q2 223,512 1.9Q2 93,448 2.9Q2 414,915 2.2Q2 690,809 2.4
1st Half185,6251.31st Half427,3171.51st Half177,8302.81st Half790,7721.71st Half1,299,3172.1
 
Jul33,646 0.7Jul76,764 0.6Jul32,333 2.2Jul142,743 1.0Jul244,198 1.8
Aug34,059 2.7Aug77,524 2.2Aug32,143 3.0Aug143,726 2.5Aug242,568 2.3
Sep32,308 3.1Sep71,967 0.8Sep30,484 3.7Sep134,759 2.0Sep225,303 2.7
Q3 100,013 2.1Q3 226,255 1.2Q3 94,960 2.9Q3 421,228 1.8Q3 712,069 2.2
3 Qs285,6381.6 3 Qs653,5721.4 3 Qs272,7902.8 3 Qs1,212,0001.7 3 Qs2,011,3862.1
 
Oct33,450 3.5Oct76,974 2.3Oct31,561 3.0Oct141,985 2.7Oct234,661 2.7
Nov32,247 6.8Nov73,653 5.2Nov30,326 6.1Nov136,226 5.8Nov222,831 5.5
Dec31,651 3.1Dec74,021 2.1Dec31,822 3.7Dec137,494 2.7Dec222,458 2.8
Q497,348 4.4Q4 224,648 3.2Q4 93,709 4.2Q4 415,705 3.7Q4 679,950 3.7
2nd Half197,3613.32nd Half450,9032.22nd Half188,6693.62nd Half836,9332.72nd Half1,392,0192.9
Year382,9862.3Year878,2201.8Year366,4993.2Year1,627,7052.2Year2,691,3362.5

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