Table 1,, Mode of Travel to Work: 1999,, ,Mode,Percent ,Drives self,78.2 ,Carpool,9.4 ,Mass transportation,4.9 ,Walks only,3.1 ,Bicycle or motorcycle,0.6 ,Taxicab,0.1 ,Other means,0.8 ,Works at home,2.8 "SOURCE: U.S. Department of Housing and Urban Development and U.S. Department of Commerce, U.S. Bureau of the Census, American Housing Survey for the United States: 1999, H150/99 (Washington, DC: 2000).",,