Figure 2: Mode Share for Personal Vehicle and Air at Various Trip Lenghts
Thursday, December 22, 2011
Figure 2: Mode Share for Personal Vehicle and Air at Various Trip Lenghts
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NOTE: Only trips in which the transportation mode and trip distance could be identified are included.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Federal Highway Administration, National Household Travel Survey, long distance file, 2001, (Washington, DC)