"TABLE 5-2 Trips Completed Per Day: 2001 ",, Person trips for all modes,4.1, Person trips in personal vehicles ,3.5, " NOTE: Data are from the daily travel segment of the 2001 National Household Travel Survey. Long-distance travel data (i.e., trips of 50 miles or more collected during a 4-week travel period) are not included here.",, "SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and Federal Highway Administration, National Household Travel Survey, Preliminary Data Release Version 1, available at http://nhts.ornl.gov, as of January 2003.",,