4-3 Transportation Services Index (TSI): January 1990-August 2011

4-3 Transportation Services Index (TSI): January 1990-August 2011

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Seasonally Adjusted

4-3 - Transportation Services Index (TSI): January 1990August 2011. If you are a user with disability and cannot view this image, use the table version. If you need further assistance, call 800-853-1351.

Notes: May - August 2011 data are preliminary. The TSI total is a monthly measure of the volume of services provided by for-hire transportation industries in the United States using 2000 as the base year.

Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics (BTS), special calculation, available at http://www.bts.gov/xml/tsi/src/index.xml as of October 2011.