Find a Commonwealth Resource
2025 Database File Dictionary
U.S Department of Transportation
Updated Oct 25, 2026
About this dataset
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 files. Each of those files includes its own data dictionary.
Data and resources (3)
- CSV
2025 Database File Dictionary
Modified Oct 25, 2026
- JSON
2025 Database File Dictionary
Modified Oct 25, 2026
- XSL
2025 Database File Dictionary
Modified Oct 25, 2026