TSI is updated monthly. The index numbers for the latest three months are considered to be preliminary. BTS releases the preliminary number for the latest month and replaces the number for the oldest preliminary month with a revised number. All other revisions are held until an annual comprehensive revision of the TSI, which will be released as part of the following June TSI release.
|Transportation Services Index||Jan-04||Jan-05|
|Total Transportation Services Index (1996=100)||121||130|
|Freight Transportation Services Index (1996=100)||122||131|
|Passenger Transportation Services Index (1996=100)||118||127|
Nov. 2004 to Jan. 2005 data are preliminary.
NOTES: The current value is compared to the value from the same period in the previous year to account for seasonality.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Transportation Services Index data, available at: http://www.bts.gov/xml/tsi/src/index.xml, as of April 2005.