Table 13
Weekday Regional Trips per Household by Household Income
San Francisco Bay Area: 1965, 1981 & 1990 Household Travel Surveys

Household
Income		 Year Home-Based Non-
Home-Based		 Total
Work Shop/
Other		 Social/
Recreation		 School
Low Income
1965 1.067 2.003 0.895 0.713 1.248 5.925
1981 1.004 1.829 0.958 0.677 1.524 5.992
1990 1.243 1.733 0.610 0.617 1.620 5.823
% Diff. 65-90 16% -13% -32% -13% 30% -2%
Medium Income
1965 1.971 3.030 1.292 1.174 1.951 9.418
1981 2.018 2.333 1.291 0.984 2.432 9.058
1990 2.258 2.050 0.883 0.824 2.282 8.297
% Diff. 65-90 15% -32% -32% -30% 17% -12%
High Income
1965 2.490 3.419 1.521 1.396 2.764 11.590
1981 2.772 2.795 1.668 1.228 3.422 11.886
1990 2.743 2.321 1.110 0.852 3.238 10.263
% Diff. 65-90 10% -32% -27% -39% 17% -11%
Income not reported
1965 1.633 1.913 0.753 0.960 1.145 6.403
1981 1.594 2.022 1.030 0.869 1.692 7.207
1990 1.830 1.606 0.762 0.698 1.598 6.493
% Diff. 65-90 12% -16% 1% -27% 40% 1%
All households
1965 1.858 2.732 1.184 1.098 1.906 8.778
1981 1.890 2.274 1.262 0.952 2.335 8.713
1990 1.991 1.891 0.827 0.744 2.100 7.553
% Diff. 65-90 7% -31% -30% -32% 10% -14%