In the City of San Diego Climate Action Plan, page 38 (pdf.44) https://www.sandiego.gov/sites/default/files/final_july_2016_cap.pdf
it calls for the installation of roundabouts -- fifteen (15) by 2020, and thirty-five (35) by 2035.
In the City of San Diego, Climate Action Plan, 2018 Annual Report, Appendix, page 18 (pdf.21) https://www.sandiego.gov/sites/default/files/city_of_san_diego_appendix_for_2018_cap_annual_report_0.pdf
According to Table 21, two (2) roundabouts were installed in 2016. A footnote states that this information was provided by the Transportation & Stormwater Department.
I am requesting any information that indicates the location of the two (2) roundabouts, as well as any studies, models, or estimates that attempt to quantify any greenhouse reductions or increases at these two sites.