Traffic signals on Sonoma are CalTrans. https://csr.dot.ca.gov/

Thanks for reporting this issue! Caltrans maintains intersections on Sonoma Blvd. Caltrans has been notified, the following w.o.# 782842 will be required if you would like to track the status of the repair. If you have any questions or concerns regarding this issue, please call the Maintenance Division at (707) 648-5235. Thanks again for using SeeClickFix!

Thanks for fixing this request!