|Mode||Percent||Person-miles (millions)||SE (millions)|
KEY: SE = standard error.
NOTES: Excludes trips where mode was not reported. Other includes watercraft (e.g., ship, ferry, and motorboat); taxi, limousine, and hotel/airport shuttle; bicycle and walking; and other not elsewhere classified. Data may not add to total and percentages may not add to 100 because of independent rounding.
SOURCE: U.S. Department of Transportation (USDOT), Research and Innovative Technology Administration, Bureau of Transportation Statistics and USDOT, Federal Highway Administration, 2001 National Household Travel Survey Data, CD-ROM, February 2004.