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September 2008 Traffic Volume Trends
Figure 2 data - Travel on U.S. Highways By Month
Return to Figure 2
Urban Highways - Average Daily Vehicle - Distance Traveled (Billion Miles)
| Date | 2006 | 2007 | 2008 |
| 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)
| Date | 2006 | 2007 | 2008 |
| 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 | |
Return to Figure 2
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Updated: 04/04/2011 | |