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Table 11. Estimation Process for Average Household Person Miles Traveled by Selected Household Types

Dataset Table:

Variable Calculated difference (proportion) One person household zero vehicles available One person household with 1 vehicle available Two person household with 1 vehicle available 1
(A) (Table 9)*(1 + (A)) (Table 9)*(1 + (A)) (Table 9)*(1 + (A)) 2
Person miles traveled 0.192 7.27 * 1.192 = 8.67 11.20 * 1.192 = 13.35 44.11 * 1.192 = 52.58 3
4
5

Notes:

Values shown for Census tract 36001001400

Estimated person miles traveled from model using LATCH estimates and ACS data (Table 10) = 23.61

Estimated person miles traveled from model using NHTS and ACS data (Table 6) = 28.16

Difference in estimated person miles traveled = (28.16 – 23.61) / 23.61 = 19.2 percent

Difference calculated for each Census tract and used to transfer Census region/division estimate for each household type to the Census tract.