Official US Government Icon

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Secure Site Icon

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

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

FTA Circular 4220.1F Changes to 1E

Frequently Asked Questions

Is there a document that summarizes the major changes to 4220.1E made by 4220.1F?

FTA discussed the changes the agency made to FTA Circular 4220.1E in the Federal Register, Vol. 73, No. 190 (PDF), dated September 30, 2008. You may access this document online. (Posted: December 2009)

Last updated: Thursday, October 15, 2015