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Traffic collision on northbound 57 near Diamond Bar

Heard on: Los Angeles CA Fire Dispatch Group Calls
00:05
Engine and squad 119, traffic collision ALS northbound 57 south of Diamond Bar Boulevard.
audio iconTraffic
CA-57, Diamond Bar, CA

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Recent Traffic Incidents in Diamond Bar, CA

AI Summary

Traffic reported near CA-57, Diamond Bar, CA on Feb 4, 2026, 4:00 PM. As discussed during the dispatch call, emergency crews responded to a possible vehicle collision on the northbound 57 freeway near Diamond Bar Boulevard. AI-generated summary from public dispatch audio. Not an official report.

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