Bureau of Transportation Statistics (BTS)
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TABLE 11 Comparison of Updated and Observed Trip Rates for Rural Areas

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  Sample HBW HBO NHB
Mean SE of mean Mean SE of mean Mean SE of mean
Unweighted KY add-on sample 1.06 0.050 4.46 0.140 2.73 0.137
KY standard sample 1.07 0.125 4.62 0.348 2.58 0.259
Updated data 1.06 0.047 4.48 0.130 2.70 0.121
Similar-SE-states sample 1.03 0.045 4.82 0.148 3.02 0.124
Surrounding-states sample 1.19 0.056 5.13 0.152 3.49 0.143
East South Central sample 0.99 0.067 4.88 0.234 2.93 0.193
National sample 1.15 0.023 4.90 0.066 3.18 0.058
Weighted KY add-on sample 1.11 0.054 4.49 0.146 2.83 0.148
KY standard sample 1.22 0.144 4.90 0.375 2.77 0.301
Updated data 1.13 0.051 4.54 0.136 2.81 0.133
Similar-SE-states sample 1.14 0.052 5.16 0.169 3.24 0.139
Surrounding-states sample 1.25 0.060 5.29 0.164 3.66 0.160
East South Central sample 1.13 0.085 5.36 0.279 3.18 0.220
National sample 1.22 0.025 5.09 0.073 3.33 0.064

Key: HBW = home-based work; HBO = home-based other; NHB = nonhome-based; SE = standard error.

Sources: Calculations based on data from 2001 NHTS national sample and Kentucky add-on sample.