The Federal Highway Administration, a division of the U.S. Department of Transportation, has released the newest numbers for miles driven in December 2013, showing an increase of 1.1 percent, or 2.7 billion vehicle miles, compared to December 2012.
Travel for the month is estimated to be 240.3 billion vehicle miles. The cumulative estimate for the year is 2,972.3 billion vehicle miles.
Comparing year-over-year figures, the West showed the most growth at 3.2 percent, followed by the South Atlantic at 2.6 percent. The Northeast saw the biggest decline at -1.1 percent.
Comparing December 2013 to November 2013, the Northeast saw the highest gain at 4.2 percent, followed by the West at 1.4 percent. The sharpest decline occurred in the SouthGulf, down 2.5 percent
| Region | December 2013 | December 2012 | Percent Change |
| Northeast | 35,513 | 35,914 | -1.1 |
| South Atlantic | 50,496 | 49,217 | +2.6 |
| North Central | 52,655 | 52,784 | -0.2 |
| SouthGulf | 46,296 | 46,076 | +0.5 |
| West | 55,369 | 53,650 | +3.2 |
| Total | 240,332 | 237,638 | +1.1 |
| Region | December 2013 | November 2013 | Percent Change |
| Northeast | 35,513 | 34,097 | +4.2 |
| South Atlantic | 50,496 | 50,215 | +0.6 |
| North Central | 52,655 | 53,173 | -1.0 |
| SouthGulf | 46,296 | 47,450 | -2.5 |
| West | 55,369 | 54,607 | +1.4 |
| Total | 240,332 | 239,545 | +0.3 |
