|Mode||Number of Household Vehicles|
|0 vehicles||1 vehicle||2 vehicles||3 or more vehicles||All vehicles|
|Drive with 2 or more occupants||30.3||46.0||52.2||48.3||48.9|
Note: Zero-vehicle households have some drive-alone trips because the vehicle used in making a trip does not have to belong to the household.
Source: Calculated from the 2001 National Household Travel Survey, Day Trip File, U.S. Department of Transportation, Bureau of Transportation Statistics and Federal Highway Administration.