|Region of trip origin||Destination regions|
|West (Percent)||Midwest (Percent)||South (Percent)||Northeast (Percent)|
Notes: Trips from within the same region make up roughly 89 percent of all long distance trips. Only interregional trips are considered for this figure. Data are revised from printed 2004 version.
Sources: U.S. Department of Transportation, Federal Highway Administration and Bureau of Transportation Statistics, National Household Travel Survey, (Washington DC: 2003).