Table 5: Percent of Long-Distance Trips by Mode for Domestic and International Travel
|International||Standard error||Domestic||Standard error||Total||Standard error|
NOTES: Only trips in which the transportation mode, international/domestic status, and international destination could be determined are included.
Underlined estimates are based on a small sample size (<30) or a coefficient of variation greater than 30% and are not reliable.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Federal Highway Administration, National Household Travel Survey, long-distance file, 2001 (Washington, DC)