Congestion Mitigation and Air Quality Improvement Program (CMAQ)
Department Of Transportation, Federal Highway Administration
Congestion Mitigation and Air Quality Improvement (CMAQ) Program funds are limited to projects and programs that reduce transportation related emissions air quality non-attainment and maintenance areas for ozone, carbon monoxide, and particulate matter, though provision is made for States without air quality issues. This Assistance Listing 20.268 created in August 2025 was included in the previous ALN 20.205, please refer to former ALN 20.205 for FY24 and FY25 financial obligations. The new Ass
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Helps state and local governments pay for transportation projects that reduce traffic and improve air quality. Funding is for areas struggling with air pollution or those that have improved.
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