USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

transportation services index

This page shows Department of Transportation content pertaining to a specific tag. If you cannot find what you’re looking for on this page, please use the search box in the top right of our website.

Revision Policy for the Transportation Services Index

Description of the revision policy for the Bureau of Transportation Statistics' Transportation Services Index (TSI). The TSI is a monthly index measuring the volume of freight and passenger traffic. There is a freight, passenger, and combined index.

Public Transit Ridership Used in the Transportation Services Index

Discussion of the public transit ridership data used in the Bureau of Transportation Statistics' Transportation Services Index (TSI). The TSI is a monthly index measuring the volume of freight and passenger traffic. There is a freight, passenger, and combined index.

Pipeline Movements Used in the Transportation Services Index

Discussion of the pipeline data used in the Bureau of Transportation Statistics' Transportation Services Index (TSI). The TSI is a monthly index measuring the volume of freight and passenger traffic. There is a freight, passenger, and combined index.

Truck Tonnage Used in the Transportation Services Index

Discussion of the truck tonnage data used in the Bureau of Transportation Statistics' Transportation Services Index (TSI). The TSI is a monthly index measuring the volume of freight and passenger traffic. There is a freight, passenger, and combined index.