Bureau of Transportation Statistics (BTS)
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TABLE 4 A Sample Conditional Probability Table (Version 1)

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Income Land uses and income Mode choices
% medium residential % high residential Probability motorized trip Probability nonmotorized trip Probability transit trip
0 20 60 86 6 8
0 30 10 88 5 7
0 10 60 60 11 29
0 10 70 60 12 28
2 40 20 86 6 8
2 20 70 60 11 29
4 20 50 37 17 46
5 10 80 60 11 29
6 10 50 60 11 29
6 90 10 86 6 8
8 10 90 37 17 46
8 90 10 88 6 6

Note: The probabilities of using a private vehicle are high regardless of the income level, which indicates that even persons with low incomes tend to use private vehicles for their mobility needs.