Table 2. Rating of Congestion While Commuting, 2006 and 2007

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Week prior to interview 2006 percent 95% CI 2007 percent 95% CI
Very to moderately congested 46.7 4.5% n=683 40.4 4.5% n=605
Slight to no congestion 53.3 4.5% n=683 59.6 4.5% n=605
Over the last 12 months        
Better 10.3 2.9% n=680 8.8 2.7% n=607
Stayed the same 62.4 4.5% n=680 65.4 4.3% n=607
Worse 27.3 3.9% n=680 25.8 3.9% n=607

KEY: CI = Confidence interval.

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




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