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Transportation Services Index

The most recent data are from June 2012. Previous releases with Chain-type Index 1996 = 100 are still available.

Data Release Schedule
Subject Release Date1 Time2
TSI, Jul 2012 Thu, Sep 13, 2012 11:30 AM
TSI, Aug 2012 Thu, Oct 11, 2012 11:30 AM
TSI, Sep 2012 Thu, Nov 15, 2012 11:30 AM
TSI, Oct 2012 Wed, Dec 12, 2012 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)

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Chart titled, Transportation Services Indexd

NOTE: 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.

SOURCES:
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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