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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Transportation Equity Act for the 21st Century; Interim Implementation of the Congestion Mitigation and Air Quality Improvement Program

Notice; request for comments.

This document publishes interim implementation guidance on section 1110 of the Transportation Equity Act for the 21st Century (TEA-21), Pub. L. 105-178, 112 Stat. 107, for the congestion mitigation and air quality improvement program (CMAQ) to offer the opportunity for comment into the development of final guidance on this program. The interim guidance provides informational items on issues related the reauthorized CMAQ program, new provisions regarding eligible geographic areas under TEA-21, and guidance related to projects now eligible for CMAQ funds. With the exception of the issues discussed in this interim guidance, all provisions of the policy guidance issued on March 7, 1996 (61 FR 50890, September 27, 1996) continue to apply. The FHWA and the FTA intend to issue final, comprehensive guidance on the new CMAQ program following opportunity for interested parties to comment. In addition, the FHWA and the FTA will host four forums in the near future to provide an opportunity for those directly involved to assist in developing the final guidance.

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