Estimates of average weekday household person trips, vehicle trips, person miles traveled, and vehicle miles traveled (per day), for all Census tracts in the United States for 2009.

For latest data (2017), see https://data.bts.gov/Research-and-Statistics/Local-Area-Transportation-Characteristics-by-House/va72-z8hz

For methodology, see attachments

Transportation Public Finance Statistics (TPFS) provides information on transportation-related revenue and expenditures for all levels of government, including federal, state, and local, and for all modes of transportation.

Estimates of average weekday household person trips, vehicle trips, person miles traveled, and vehicle miles traveled (per day), for all Census tracts in the United States for 2017.