Summary of travel trends : 2009 National Household Travel Survey / A. Santos [and four others].
- Physical Description: 1 online resource (iv, 59 pages) : illustrations
- Publisher: Washington, D.C. : U.S. Department of Transportation, Federal Highway Administration, 2011.
|General Note:|| "June 2011."--Technical report documentation page.
Title from title screen (viewed June 8, 2016).
|Type of Report and Period Covered Note:|| Trends in travel behavior; 1969-2009.
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