Highway 9 is a State Highway maintained by Caltrans and not by the City of Monte Sereno.
For any maintenance problems on Highway 9, such as overgrown vegetation, please contact Caltrans directly:
Submit a Customer Service Request online: https://csr.dot.ca.gov/
Phone: (408) 436-0930
California Highway 9 (Saratoga-Los Gatos Road), Southbay/San Jose Region, 500 Queens Ln, San Jose, CA 95112