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.

Plain Language

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.

Plain Language

We are expected to write in plain language. To provide information to the public as well as people throughout DOT with respect to this responsibility, we have prepared this web page. It contains links to  documents with helpful information concerning plain language.