Table A-1,,
"Travel-Related Characteristics of Individuals 15 and Older, in Percent",,
,Percent,SE
Drivers,88,0.18
Used public transit in last 2 months,17,0.23
Biked in the last week,8,0.18
Have travel-affecting medical condition,9,0.14
Are somewhat to severely concerned about highway congestion,50,0.35
"NOTES:  Percents do not total 100% since categories are not mutually exclusive.
SE = standard error.",,
"SOURCE: The 2001 National Household Travel Survey, person file, U.S. Department of Transportation.",,