Table 1:  Annual Long-Distance Trips by Mode ,,,,,,,,
Transportation mode,Trips (millions),Standard error,% of total trips,Standard error,,,,
Personal vehicle,2336.1,36.89,89.5,0.33,,,,
Air,193.3,6.28,7.4,0.26,,,,
Bus,55.4,3.45,2.1,0.13,, ,,
Train,21.1,2.88,0.8,0.11,,,,
Other,5.8,1.45,0.2,0.06,,,,
Total,2611.7,37.70,100.0,,,,,
NOTES:  Totals may not add due to rounding. Only trips in which the transportation mode could be identified are included.,,,,,,,,
"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)",,,,,,,,