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Official websites use .gov
A .gov website belongs to an official government organization in the United States.

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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.

Search Function

The Department of Transportation (DOT) and Operating Administration (OA) websites contain a search function, DigitalGov Search, that allows users to easily search content intended for public use. All content on DOT and OA websites intended for public use can be indexed and searched by a commonly used commercial search engine.