FIGURE 4-4 - Index of U.S. Vehicle-Miles: 2004-2009
FIGURE 4-4 - Index of U.S. Vehicle-Miles: 2004-2009
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SOURCES: Air Carrier: Research and Innovative Technology Administration, Bureau of Transportation Statistics, Office of Airline Information; Highway: Federal Highway Administration; Transit: Federal Transit Administration; Rail: Association of American Railroads as cited in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table 1-34, available at http://www.bts.gov/publications/national_transportation_statistics/ as of April 2011.