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. 

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
  • Travel Demand Management

CMAQ Program Call for Projects

On November 3, 2016, SJCOG solicited a call for projects for CMAQ Program.  Approximately $29.4 million was available for eligible projects in San Joaquin County, to be programmed in Fiscal Year 2018/19, 2019/20, and 2020/21. The programming recommendations for the 2016 CMAQ Program were adopted by the SJCOG Board on March 23, 2017. The next call for projects is anticipated to occur in 2018.

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