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Table 4-1 Unknown residential status weighting classes

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Weighting Class Census Region MSA Status*
1 NE, W 1
2 NE, W 2
3 NE, W 3, 4
4 NE, W 5
5 S, MW 1, 2
6 S, MW 3
7 S, MW 4, 5

*MSA status definition:

1 = In the Center City of an MSA

2 = Outside the Center City of an MSA, but inside the county containing the Center City

3 = Inside a Suburban County of the MSA

4 = In an MSA that has NO Center City

5 = Not in an MSA

Source: 2002 Transportation Availability and Use Study