Notes:
2005 data are through May. March-May 2005 data are preliminary. The TSI total
is a single index measure of monthly output of for-hire transportation
services in the United States using 2000 as the base year.
Source: Compiled by U.S. Department of Transportation (USDOT),
Bureau of Transportation Statistics (BTS), special calculation, October 2005,
avaliable at: http://www.bts.gov/xml/tsi/src/index.xml.
