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Figure 3
Households by Number of Vehicles
Sources: U.S. Department of Transportation (USDOT), Federal Highway Administration, Nationwide Personal Transportation Survey, Our Nation's Travel (Washington, DC: 1997. 2000 estimate: USDOT, Bureau of Transportation Statistics, based on linear regressions using data from 1977, 1983, 1990, and 1995 Nationwide Personal Transportation Survey results.