A traffic collision was reported at about 3:37 p.m. Aug. 20, 2026, on eastbound Highway 4 near the Interstate 680 connector in Contra Costa County, California. The dispatch indicated that an ambulance was en route to the scene.
The collision location was described as eastbound Highway 4 just west of Interstate 680. CHP dispatch information did not identify the vehicles involved or provide details about any injuries.
At about 3:58 p.m., a towing service was requested to respond with a tow truck. The dispatch did not state whether either vehicle was blocking travel lanes or positioned on the shoulder.
The available CHP information did not include a later update on the collision, the ambulance response or the towing operation. No cause of the crash or additional circumstances were provided.
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