(see Figure 10 in text)
| Miles | SE | |
|---|---|---|
| All persons 15 and older | 29.1 | 0.31 |
| Sex | ||
| Male | 37.6 | 0.50 |
| Female | 21.2 | 0.28 |
| Age | ||
| 15-19 years | 12.2 | 0.51 |
| 20-24 years | 28.9 | 1.21 |
| 25-54 years | 35.0 | 0.48 |
| 55-64 years | 29.7 | 0.61 |
| 65 years and older | 17.0 | 0.45 |
| Worker status | ||
| Employed | 35.5 | 0.41 |
| Not employed | 16.0 | 0.33 |
NOTE: These estimates include nondrivers and those who did not drive on a given travel day who were 15 years old and older. SE = standard error.
SOURCE: The 2001 National Household Travel Survey, daily trip file and person files, U.S. Department of Transportation.