Table 3. Opinions on Change in Traffic Congestion, 2006 v. 2007 (percent holding opinion)
| Overall | Moderate to very congested | Little to no congestion | 95% CI, overall | |
|---|---|---|---|---|
| 2006 Omnibus Household Survey | n=683 | n=295 | n=381 | n=683 |
| Better over last 12 months | 10.3 | 11.6 | 9.3 | 2.9% |
| Stayed about the same | 62.4 | 46.1 | 76.6 | 4.5% |
| Worse over last 12 months | 27.3 | 42.4 | 14.1 | 3.9% |
| 2007 Omnibus Household Survey | n=607 | n=244 | n=359 | n=607 |
| Better over last 12 months | 8.8 | 5.3 | 10.4 | 2.9% |
| Stayed about the same | 65.4 | 48.3 | 77.5 | 4.5% |
| Worse over last 12 months | 25.8 | 46.5 | 12.0 | 3.9% |
KEY: CI = Confidence interval.
NOTE: CIs for subgroups are larger than for the total group.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Omnibus Household Surveys, November 2006 and 2007.
Updated: Sunday, May 21, 2017