(see Figure 9 in text)
| Mean | SE | |
|---|---|---|
| All personal vehicle trips | 1.63 | 0.012 |
| Work | 1.14 | 0.007 |
| Work-related | 1.22 | 0.020 |
| Family/personal | 1.81 | 0.016 |
| Church/school | 1.76 | 0.084 |
| Social/recreational | 2.05 | 0.028 |
| Other | 2.02 | 0.130 |
SOURCE: The 2001 National Household Travel Survey, daily trip file, U.S. Department of Transportation.