| 2009 NHTS |
| Vehicle Miles of Travel (Travel Day VMT, annualized) |
| Number of Vehicle Miles (VMT) by Purpose |
| Trip purpose summary | Travel Day Vehicle Miles | ||
|---|---|---|---|
| Sample Size | Sum (Millions) | Percent | |
| Refused | 102 | 246 | 0.0 |
| Don't know | 131 | 296 | 0.0 |
| Not ascertained | 15 | 85 | 0.0 |
| Home | 253,533 | 747,762 | 33.3 |
| Work | 100,896 | 500,367 | 22.3 |
| School/Daycare/Religious activity | 19,406 | 59,282 | 2.6 |
| Medical/Dental services | 15,481 | 38,288 | 1.7 |
| Shopping/Errands | 161,438 | 275,394 | 12.3 |
| Social/Recreational | 63,619 | 306,799 | 13.7 |
| Family personal business/Obligations | 24,448 | 73,827 | 3.3 |
| Transport someone | 51,078 | 131,315 | 5.8 |
| Meals | 49,596 | 99,578 | 4.4 |
| Other reason | 1,430 | 11,870 | 0.5 |
| All | 741,173 | 2,245,111 | 100.0 |