TABLE 4-17a  Long-Distance Trips by Gender and Mode: 2001,,,,,,
"Percent 
",,,,,,
,Female,SE,Male,SE,All,
Personal vehicle,42.3,0.5,57.7,0.5,100.0,
Air,42.6,1.1,57.4,1.1,100.0,
Bus,54.9,2.7,45.1,2.7,100.0,
Other,39.8,5.4,60.2,5.4,100.0,
All trips,42.6,0.5,57.4,0.5,100.0,
KEY: SE = standard error.,,,,,,
"NOTE: Other includes trains, ships, and all other modes of long-distance travel. ",,,,,,
"
SOURCE: Jonaki Bose, Lee Giesbrecht, Joy Sharp, Jeffery Memmott, Maha Khan, and Elizabeth Roberto, “A Picture of Long-Distance Travel Behavior of Americans Through Analysis of the 2001 National Household Travel Survey,” paper presented at the National Household Travel Survey Conference: Understanding Our Nation’s Travel, November 1–2, 2004, available at http://www.trb.org/, as of March 2005.",,,,,,