The Congestion Mitigation and Air Quality Improvement (CMAQ) Program provides funds for transportation projects and programs that will contribute to attainment or maintenance of the national ambient air quality standards (NAAQS) for ozone, carbon monoxide (CO), and particulate matter (PM).
The CMAQ program supports two important goals of the federal Department of Transportation: improving air quality and relieving congestion. These goals were strengthened in provisions added to the CMAQ Program by the Moving Ahead for Progress in the 21st Century Act (MAP‑21; Pub. L. 112-141) and continued in the Fixing America’s Surface Transportation Act (FAST Act; Pub. L. 114-94). These provisions emphasize cost-effective emission reduction and congestion mitigation activities when using CMAQ funding.Read more »