Figure 8,,,,,,, Households by Number of Vehicles,,,,,,, (Percent),,,,,,, ,1977,1983,1990,1995,2001,, 0 vehicles,15,13,9,8,8.81,, 1 vehicle,35,34,33,32,32.53,, 2 vehicles,34,34,38,40,38.48,, 3+ vehicles,16,19,19,19,20.18,, "Sources: USDOT, Federal Highway Administration, Nationwide Personal Transportation Survey, Our Nation’s Travel (Washington, DC: 1997). U.S. Department of Commerce, U.S. Census Bureau, American Housing Survey, 1999 and 2001.",,,,,,, ,,,,,,, ,,,,,,,