1. National Household Travel Survey (NHTS)
National surveys administered in 2001, 2009, and 2017 on personal travel behaviors conducted by the Federal Highway Administration.
As used in: Duranton, Gilles and Matthew A. Turner. “Urban form and driving: Evidence from US Cities.” Journal of Urban Economics (2018). 108:170-191.
2. Nationwide Personal Transportation Survey (NPTS)
National surveys administered in 1995, 1990, and 1983 on personal travel behaviors conducted by the Federal Highway Administration. NPTS reports for 1977 and 1969 available as PDFs.
3. Metropolitan Level Travel Surveys
Many cities and states run their own periodic surveys. For a starter list, see NREL’s Transportation Secure Data Center.