NOTE: “Trucks” represents all types of trucks, including light trucks (sport utility vehicles, vans, and pickup trucks).
SOURCES: U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2002 (Washington, DC: 2002), tables 1-25 and 1-28, also available at http://www.bts.gov/, as of April 2003. 2001–2002—R.L. Polk & Co., "Median Age of U.S. Cars and Light Trucks Increases According to R.L. Polk & Co.," press release, Feb. 11, 2003.