Figure 10 Transportation Services Index (TSI)

Figure 10 Transportation Services Index (TSI)

(Seasonally Adjusted)

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Figure 10: Transportation Services Index (TSI). 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 or email

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: