Table 5. Opinions on Change in Traffic Congestion by MSA and non-MSA Residents, 2006 v. 2007 (percent holding opinion)

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  Overall MSA residents Non-MSA residents 95% CI, overall
2006 Omnibus Household Survey n=683 n=524 n=155 n=683
Better over last 12 months 10.3 11 7.3 2.9%
Stayed about the same 62.4 59.9 73.7 4.5%
Worse over last 12 months 27.3 29.1 19 3.9%
2007 Omnibus Household Survey n=607 n=456 n=151 n=607
Better over last 12 months 8.8 9.8 5.2 2.9%
Stayed about the same 65.4 61.8 77.9 4.5%
Worse over last 12 months 25.8 28.4 16.9 3.9%

KEY: CI = Confidence interval; MSA = metropolitan statistical area

NOTE: CIs for MSA figures are 2.5% and for non-MSA figures are 4.8%.

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Omnibus Household Surveys, November 2006 and 2007.




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