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Find a Commonwealth ResourceU.S Department of Transportation
About Transportation Services Index 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…
Updated Oct 25, 2026
U.S Department of Transportation
The data dictionary defines terms found on NTD Reporting Forms and identifies the 2025 Database File in which they are included. Please note that this does not include terms in the 2025 Data Tables and Time Series…
Updated Oct 25, 2026
U.S Department of Transportation
An unofficial version of the 2017 CFS Public use file. The official version can be found here: https://www.bts.gov/cfs . This version was kept active to have API access tot he data
Updated Oct 25, 2026
