Transportation Services Index

Transportation Services Index

Monthly data, seasonally adjusted

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the Transportation Services Index (TSI) is a measure of the month-to-month change in the output of services provided by the for-hire transportation industry. the index can be examined together with other economic indicators to produce a better understanding of the current and future course of the economy.

Transportation Services Index Aug-08 Sep-08
Total Transportation Services (Index: 2000=100) 111.89 109.35
Percent change from previous month -1.33 -2.27
Freight Transportation Services (Index: 2000=100) 110.77 108.01
Percent change from previous month -1.87 -2.50
Passenger Transportation Services (Index: 2000=100) 116.75 114.92
Percent change from previous month 0.39 -1.57

NOTES: TSI is updated monthly with the latest four months' index numbers considered preliminary. Each month BTS releases the latest preliminary TSI, and replaces the oldest preliminary TSI with a revised TSI.

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Transportation Services Index, available at as of November 2008.