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Transportation Services Index

The most recent data are from June 2014. Previous releases with Chain-type Index 1996 = 100 are still available.

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Subject Release Date1 Time2
TSI, Jul 2014 Wed, Sep 10, 2014 11:30 AM
TSI, Aug 2014 Wed, Oct 8, 2014 11:30 AM
TSI, Sep 2014 Thu, Nov 13, 2014 11:30 AM
TSI, Oct 2014 Wed, Dec 10, 2014 11:30 AM

1 These are target dates and are subject to revision.
2 Times are Eastern Standard Time (EST) or Eastern Daylight Time (EDT)

Transportation Services Index. If you are a user with a disability and cannot view this image, use the table version. If you need further assistance, call 800-853-1351


NOTE: Monthly data changes with each release due to the use of concurrent seasonal analysis, which results in seasonal analysis factors changing as each month's data are added.

TSI numbers are BTS estimates.

The Transportation Services Index (TSI), created by the U.S. Department of Transportation (DOT), Bureau of Transportation Statistics (BTS), measures the movement of freight and passengers. The index, which is seasonally adjusted, combines available data on freight traffic, as well as passenger travel, that have been weighted to yield a monthly measure of transportation services output.

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