|Did you experience any significant delays (in the month prior to the survey) while traveling||Yes||Percent of total delays|
|in a personal vehicle?||34,469,813||72%|
|on public transit?||5,364,701||11%|
|on a commercial airline?||5,755,803||12%|
|on other modes?||2,545,082||5%|
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Omnibus Household Survey. Results based on averages derived from the December 2001, April and August 2002 surveys.