Headline: Reported vehicle accident near CA-60 (Diamond Bar) (South) / CA-57 (CA-60 / CA-57) and Grand Ave (CA-60 / CA-57) Severity: Unknown Type: ACCIDENT Location: CA-60 (Diamond Bar) (South) / CA-57 (CA-60 / CA-57) and Grand Ave (CA-60 / CA-57) From: CA-60 (Diamond Bar) (South)/CA-57 (CA-60/CA-57) To: Grand Ave (CA-60/CA-57) Coordinates: 34.00369, -117.83061 Started: 2026-05-08T00:54:59.000Z Ended: ongoing Last reported: 2026-05-08T01:22:46.332Z Description: Accident Source: CrashStory.com Canonical: https://crashstory.com/incidents/TTI-043134e0-4d61-4bd0-b7e9-3af85f054b55-TTR16555940660009001--ca-60-diamond-bar-south-57-grand-ave-vehicle-accident/ JSON: https://crashstory-api-production.up.railway.app/api/incidents/TTI-043134e0-4d61-4bd0-b7e9-3af85f054b55-TTR16555940660009001