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Summary of Travel Trends – 2017 National Household Travel Survey
This survey provides an inventory of daily travel in the US including demographic data on households, people, vehicles, and detailed information on daily travel by all modes of transportation and for all purposes.
"Over the last five decades, American households acquired more vehicles and drivers."
The estimates of person and vehicle trips per household are lower in 2017 than 2009, which was lower than in 2001.
"The survey gathers trip-related data, such as mode of transportation, duration, distance, and purpose of trip, and links the travel-related information to demographic, geographic, and economic data for analysis purposes."
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