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Table 2
Total Daily Trips and Total Miles Traveled in Daily Trips
Excel | CSV
| All person trips |
411 |
4,012 |
| Person trips by PV |
356 |
3,552 |
| Vehicle trips |
235 |
2,298 |
SOURCE: The 2001 National Household Travel Survey, daily trip file, U.S. Department
of Transportation.
* In order to correctly calculate miles per trip, denominators of 403, 350,
and 233 billion trips were used for all person trips, personal vehicle person
trips and vehicle trips respectively since not all cases had reported mile values
associated with them.
** The total mileage represents daily household-based travel
and therefore does not reflect a total of all passenger miles of
travel in the United States. It does not include a) vehicle mileage
from nondaily long-distance trips, b) noncommuting occupational trips
(e.g., taxi cab driving), and c) is also subject to a small amount of
nonresponse in trip mileage reporting by survey respondents.
See table A-8 for standard errors.
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