Diamond Bar City Council Meeting October 20, 2026

The City of Diamond Bar City Council’s regular meeting on October 20, 2026, included a progress update on the San Gabriel Valley Council of Governments’ SR-57/SR-60 project. Construction milestones include the Grand Avenue Bridge traffic switch planned for November 13 and a target of July 2028 for the bridge and main freeway lanes to be open; remaining work may continue through late 2028. Council members discussed construction impacts, resident notifications, and storm preparation. A council member also reported that the COG approved an $883,000 construction management contract for Pomona’s sustainable multimodal improvement project; this was a report on another body’s action, not a Diamond Bar Council vote or award.

The Council approved the consent calendar 5–0, including ratification of the September 23–October 6 check register totaling $1,839,831.83, the September treasurer statement, prior meeting minutes, and a Hindu Heritage Month proclamation. No new Diamond Bar contract awards or procurement decisions were presented. Public comments raised neighborhood safety and property-condition concerns, with a request for coordinated city follow-up; no action was taken during the comment period.