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

CMAQ Program Call for Projects

On August 13, 2019, SJCOG solicited a call for projects for CMAQ Program.  Approximately $20.5 million was available for eligible projects in San Joaquin County, to be programmed in Fiscal Year 2019/20, 2020/21, and 2021/22. Applications were due October 25, 2019. 

Related Documents

• 2019 CMAQ Application Form 
• Frequently asked questions about the CMAQ Program
• CMAQ Federal Guidance
• Air Resources Board (ARB) Air Quality Cost Effectiveness Calculation Methodology
• Air Resources Board 2013 Emission Factor Tables
• CMAQ Default Values for Signals
• Air Quality Exempt Codes
• SJCOG Roundabout Quantification Tool