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.

Find the Latest Information on the Coronavirus/COVID-19 at FTA's Coronavirus landing page.

United States Department of Transportation United States Department of Transportation

2020 NTD Database File Dictionary

Defines terms found on NTD Reporting Forms and identifies the 2020 Database File in which they are included. Please note that this does not include terms in the 2020 Data Tables and Time Series files - each of those files includes its own data dictionary.

Keywords: annual, data, ntd, data element, data point, data description, data glossary, data dictionary


 

This document has not been certified as 508 compliant.
NTDHelp@dot.gov