A traffic collision was reported on northbound State Route 57 just south of Diamond Bar Boulevard in California at about 5:21 p.m. on Nov. 6, 2026. The California Highway Patrol classified the incident as a collision with no reported injuries.
The crash occurred near the Diamond Bar Boulevard off-ramp. CHP dispatch information did not specify the number or types of vehicles involved.
A follow-up update issued at about 5:24 p.m. reported additional debris in the freeway lanes. The dispatch information did not indicate that any lanes were closed.
The incident was handled within the CHP’s Baldwin Park area. No further details about the vehicles, the debris, or the circumstances of the collision were provided in the available dispatch information.
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