Congestion Mitigation Air Quality (CMAQ)

The Congestion Mitigation and Air Quality (CMAQ) Improvement Program was created in 1991 under the Intermodal Surface Transportation Efficiency Act (ISTEA) to support surface transportation projects and other related efforts that contribute air quality improvements and provide congestion relief. The Carbon Reduction Program (CRP) was created under the Infrastructure Investment and Jobs Act (IIJA) and designed to provide federal funding to projects that decrease transportation related carbon emissions that result from on-road, and highway sources.

Eligible projects for CMAQ include but are not limited to:

  • Transit Vehicle Engine Retrofits and Vehicle Replacements
  • Street Sweeper and School Bus Engine Retrofits and Vehicle Replacements
  • Transit Service Improvements
  • Traffic Flow Improvements
  • Bicycle and Pedestrian Improvements

Eligible projects for CRP include but are not limited to:

  • Efforts to reduce the environmental and community impacts of freight movement
  • Renewable energy generation facilities, such as solar arrays and wind turbines
  • Micromobility and electric bike projects, including charging infrastructure
  • Biologic carbon sequestration practices along highway ROW to capture and store CO2
  • See full list of projects eligible for CRP funding in the Related Documents section below

2023 Combined CRP/CMAQ Call for Projects

On April 7, 2023, SJCOG solicited a call for projects for the 2023 Combined CRP (Carbon Reduction Program)/CMAQ (Congestion Mitigation and Air Quality Improvement) Program. Approximately $22 million is available for eligible projects in San Joaquin County, to be programmed in Fiscal Years 2023/24 and 2024/25. Applications are due June 7, 2023.

Related Documents

2019 CMAQ Program Call for Projects