Table A-18b,,,,,,
"Long-Distance Trips by Mode and Sex, in Millions",,,,,,
,Female,,Male  ,,Total,
,Trips,SE,Trips,SE,Trips,SE
Personal Vehicle,989.0,14.82,"1,347.1",28.90,"2,336.1",36.89
Air,82.3,3.59,111.0,4.07,193.3,6.28
Bus,30.4,2.41,25.0,2.19,55.4,3.45
Train,9.0,1.43,12.2,2.53,21.1,2.88
Other,1.8,0.34,4.0,1.38,5.8,1.45
Total,"1,112.4",15.49,"1,499.3",29.45,"2,611.7",37.70
NOTE: SE = standard error.,,,,,,
"SOURCE: The 2001 National Household Travel Survey, preliminary long-distance trip file, U.S. Department of Transportation.",,,,,,