The Federal Highway Administration, a division of the U.S. Department of Transportation, has released the newest numbers for miles driven in August 2014, showing a modest increase of 0.4 percent or 1 billion vehicle miles, compared with August 2013.
Travel for the month is estimated to be 267.8 billion vehicle miles. Cumulative travel for 2014 is up 0.6 percent, or 11.1 billion vehicle miles, to 2,000.1 billion vehicle miles.
Looking at year-over-year figures, the West showed the biggest increase at 1.0 percent, followed by the South Gulf at 0.8 percent. The North-Central region showed a drop of 0.5 percent for the month, when compared with August 2013.
| Region | August 2013 (in millions) | August 2014 (in millions) | Percent Change |
| Northeast | 39,114 | 39,056 | -0.1 |
| South Atlantic | 54,481 | 54,866 | +0.7 |
| North Central | 60,446 | 60,142 | -0.5 |
| South Gulf | 53,856 | 54,281 | +0.8 |
| West | 58,834 | 59,418 | +1.0 |
| Total | 266,731 | 267,761 | +0.4 |
