Technical Resources The following technical resources supplement Plan Bay Area 2050 in order to comply with guidance established by partners, including the California Air Resources Board and Caltrans. Mitigation Monitoring and Reporting Program for the Plan Bay Area 2050 Environmental Impact Report (October 2021) Technical Methodology to Estimate Greenhouse Gas Emissions for Plan Bay Area 2050 (Fall 2021) Regional Transportation Plan Checklist for Plan Bay Area 2050 (October 2021)