voyagesummary of travel trends 2009 national household travel surveyShare on FacebookShare on Twitter300IMAGESTrip selection from the 2009 National Household Travel SurveySummary of National Household Travel Surveys Around the World in2009 National Household Travel Survey User's GuidePPT-SUMMARY STATISTICS ON TRAVEL VARIABLES FROM THE NATIONAL HOUSEHOLDFigure 2 from How People Use Their Vehicles: Statistics from the 2009
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