Subject: Interim Guidance for Implementing the Transportation Conformity Provisions in the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users

From:
/original signed by/
Margo Tsirigotis Oge, Director
Office of Transportation and Air Quality
Environmental Protection Agency

/original signed by/
Cynthia J. Burbank
Associate Administrator, Planning, Environment and Realty
Federal Highway Administration

/original signed by/
Brigid Hynes-Cherin
Associate Administrator for Planning and Environment
Federal Transit Administration

To:
EPA Regional Air Directors
FHWA Division Administrators
FTA Regional Administrators

Date: February 14, 2006

Reply to:

The Environmental Protection Agency (EPA) and the U.S. Department of Transportation are issuing the attached guidance on implementing the transportation conformity-related provisions contained in the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) jointly in order to provide a single source of information to those responsible for implementing transportation conformity. SAFETEA-LU made a number of revisions to the Clean Air Act's transportation conformity provisions. The document addresses each of these revisions and explains how to implement these changes during the period before the federal transportation conformity rule is revised.

We trust that you will find this guidance useful. Please feel free to forward it to your state and local air quality and transportation agencies. The guidance directs that people with specific questions about implementation contact the Regional and Division Offices. General questions about the guidance may be directed to: Rudy Kapichak of EPA at (734) 214-4574; Cecilia Ho of FHWA at (202) 366-9862; or Abbe Marner of FTA at (202) 366-4317.

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