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September 2008 Traffic Volume Trends

Figure 2 data - Travel on U.S. Highways By Month

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Urban Highways - Average Daily Vehicle - Distance Traveled (Billion Miles)
Date200620072008
January 5.02 5.00 4.93
February 5.25 5.18 4.98
March 5.47 5.48 5.24
April 5.48 5.48 5.44
May 5.53 5.56 5.37
June 5.70 5.68 5.41
July 5.40 5.43 5.27
August 5.53 5.58 5.27
September 5.31 5.26 5.08
October 5.44 5.47  
November 5.41 5.38  
December 5.36 5.16  
Rural Highways - Average Daily Vehicle - Distance Traveled (Billion Miles)
Date200620072008
January 2.48 2.45 2.40
February 2.60 2.54 2.44
March 2.78 2.80 2.66
April 2.84 2.84 2.75
May 2.93 2.96 2.83
June 3.07 3.07 2.88
July 3.07 3.09 2.94
August 3.01 3.09 2.91
September 2.86 2.86 2.68
October 2.87 2.88  
November 2.75 2.73  
December 2.64 2.53  

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This page last modified on 11/18/08
 

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United States Department of Transportation - Federal Highway Administration