A traffic collision with unknown injuries was reported on southbound Interstate 5 near the Upper Crossover at about 3:21 p.m. on Sept. 20, 2026. The incident was handled through the California Highway Patrol’s Newhall area.
The dispatch location was listed as southbound I-5 near the Upper Crossover. CHP did not provide details about the number or types of vehicles involved.
The initial report classified the collision as involving unknown injuries. The available dispatch information did not indicate whether anyone was transported for medical treatment or whether emergency medical crews were sent to the scene.
At about 3:48 p.m., a follow-up dispatch entry stated that Castaic would copy the information and advise the driver. No additional details about the collision, roadway blockage or final scene status were provided.
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