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transportation services index

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Revision Policy for the Transportation Services Index

Policy Summary

The Bureau of Transportation Statistics (BTS) publishes the TSI monthly. The monthly publication includes the release of the latest month of data and revisions to previous months. 

Reasons for Revision

BTS revises the TSI to include updates and...

Public Transit Ridership Used in the Transportation Services Index

 

Source: Data for years prior to 2010: Public Transportation Association (APTA) (private nonprofit organization). Data for years 2010 to present: FederalTransit Administration’s (FTA's) National Transit Database (NTD).

General

The public transit component of the ...

Pipeline Movements Used in the Transportation Services Index

 

Source: U.S. Department of Energy, Energy Information Administration (government).

General

The Energy Information Administration (EIA) of the U.S. Department of Energy (DOE) publishes U.S. petroleum supply data in the Petroleum Supply Monthly report. The report highlights...

Inland Waterborne Traffic Used in the Transportation Services Index

 

Source: U.S. Army Corp of Engineers, Waterborne Commerce of the United States (government).

General

The Transportation Services Index (TSI) relies on ton and ton-mile data on inland waterborne trade from the U.S. Army Corps of Engineers (USACE). USACEs Waterborne...

Truck Tonnage Used in the Transportation Services Index

 

Source: Truck Tonnage Index, calculated by the American Trucking Association (private/proprietary).

General

The Transportation Services Index (TSI) uses the Monthly Truck Tonnage Report (MTTR), issued by the American Trucking Associations (ATA). The ATA report contains an...