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.

Portions of the Department of Transportation are currently in shutdown/furlough status due to a lapse in appropriations. Please continue to monitor this page for updates on DOT’s operating status.
U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Table 1. Data Sources for the Transportation Services Index (TSI)

Thursday, September 6, 2012

Table 1. Data Sources for the Transportation Services Index (TSI)

Excel | CSV

Mode Source Measure
Freight    
Trucking American Trucking Associations Index of tonnage
Air Bureau of Transportation Statistics and carrier websites Freight ton-miles
Rail Association of American Railroads Carloads & Intermodal units
Federal Railroad Administration (FRA) Quarterly ton-miles
Water U.S. Army Corps of Engineers Tons
Pipeline Energy Information Administration Thousands of barrels, billion cubic feet
Passenger    
Air Bureau of Transportation Statistics and carrier websites Revenue passenger-miles
Rail Federal Railroad Administration Revenue passenger-miles
Transit American Public Transportation Association Unlinked trips

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, http://www.bts.gov.