Action
Notice; issuance of final guidance.
Summary
This document publishes final guidance on section 1110 of the Transportation Equity Act for the 21st Century (TEA-21) for the congestion mitigation and air quality improvement program (CMAQ). This final guidance replaces all earlier CMAQ guidance documents and provides information on: (1) CMAQ authorization levels and apportionment factors; (2) the new flexibility and transferability provisions; (3) geographic area eligibility for CMAQ funds and the impacts of new National Ambient Air Quality Standards on eligibility; (4) project eligibility; (5) analytical requirements; and (6) Federal, State, and local agency roles and responsibilities in the administration of the program.