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

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.

Overview of Household Spending on Transportation by Income Quintile. Household spending on transportation and transportation spending as a percent of after tax income over time.

Transportation Expenditures by Selected Household Characteristics by Income Quintile. Investigates transportation by income quintile by region, urban vs rural, households with earners, work status, households with a member 65 and over, family type, race, and ethnicity. Vehicle trips, vehicle miles traveled, person trips, and person miles traveled by income quintile and select characteristics. Percent of after-tax income spent on transportation by income quintile and select characteristics. Change in share of after-tax income spent on transportation by income quintile and select characteristics.

Transportation Spending by Income Quintile and Vehicle Ownership. Looking at number of vehicles per household by income quintile; percent of households with no vehicle by income quintile; transportation spend by households with no vehicles; and transportation spend by households with at least one vehicle.