U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Date | 2009 | 2010 | 2011 |
---|---|---|---|
January | 5.01 | 4.92 | 4.94 |
February | 5.36 | 5.20 | 5.23 |
March | 5.43 | 5.54 | 5.49 |
April | 5.70 | 5.75 | 5.65 |
May | 5.56 | 5.54 | 5.47 |
June | 5.75 | 5.80 | 5.73 |
July | 5.60 | 5.62 | 5.48 |
August | 5.58 | 5.68 | 5.60 |
September | 5.40 | 5.48 | |
October | 5.50 | 5.59 | |
November | 5.40 | 5.48 | |
December | 5.36 | 5.40 |
Date | 2009 | 2010 | 2011 |
---|---|---|---|
January | 2.31 | 2.28 | 2.29 |
February | 2.47 | 2.40 | 2.42 |
March | 2.58 | 2.65 | 2.61 |
April | 2.74 | 2.80 | 2.72 |
May | 2.81 | 2.81 | 2.74 |
June | 2.92 | 2.96 | 2.91 |
July | 3.00 | 3.04 | 2.96 |
August | 2.90 | 2.95 | 2.88 |
September | 2.73 | 2.78 | |
October | 2.71 | 2.80 | |
November | 2.59 | 2.62 | |
December | 2.46 | 2.48 |