Congestion Mitigation and Air Quality Program Interim Guidance

The Congestion Mitigation and Air Quality (CMAQ) program allocates federal funding for infrastructure projects that reduce congestion and improve air quality in areas that (currently or formerly) do not meet certain national air quality standards. CMAQ funds may be used to establish new or expanded transportation projects or programs that reduce emissions, including capital investments in transportation infrastructure, congestion relief efforts, and diesel engine retrofits. CMAQ is jointly administered by FHWA and the Federal Transit Administration. 

One eligible use of CMAQ funding is for “bicycle transportation and pedestrian walkways.” Such pathways can be designed to include green infrastructure features, such permeable pavers or other porous surfaces for trails, and installing bioswales and bio-retention areas adjacent to trail surfaces.  

The framework from the most recent federal transportation bill (MAP-21) allocates CMAQ funding to states according to an established formula.  CMAQ funding can be used for projects already included in an MPO transportation plan and transportation improvement program (TIP) or a statewide TIP. Green infrastructure projects would therefore need to be incorporated into these plans in order to be eligible for CMAQ funding.

 

 

Publication Date: October 1, 2012

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