Figure 2-11 Daily Person-miles of Travel (PMT) by Age Group: 1983, 1990, and 1995 NPTS, and 2001 and 2009 NHTS
Tuesday, February 14, 2017
NOTES: 1990 person trips were adjusted to account for survey collection method changes. Please see Appendix 2 of 2001 Summary of Travel Trends for specifics.
SOURCE: U.S. Department of Transportation, Federal Highway Administration, National Household Travel Survey (multiple years), 2009 Summary of Travel Trends. Table 14. Available at http://nhts.ornl.gov/ as of June 2015.