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LAKESIDE, San Diego County, Calif., Nov. 11, 2026 — A two-vehicle crash on southbound State Route 67 at Posthill Road left one person dead on Tuesday morning, November 10, according to the California Highway Patrol.
The crash, reported near 11555 Posthill Rd., involved a Toyota Prius and a pickup truck. One occupant was reportedly pinned in wreckage, and another was reported unconscious, according to radio traffic relayed by San Diego County Fire dispatch. Emergency crews responded to free the trapped occupant before the person was pronounced dead; the extent of the second occupant's injuries has not been released.
Southbound SR-67 was shut down near Vigilante Rd. and traffic was diverted onto Posthill Road while crews worked the scene, Caltrans radio logs show. A SigAlert was issued for the closure and remained in effect for several hours before all lanes reopened by late morning. Tow crews cleared the vehicles, and Caltrans crews cleared the roadway, allowing the SigAlert to be canceled.
The CHP has not released the names of those involved or said what led to the collision. The cause remains under investigation.
Our sympathies are with the family of the person who lost their life.
Intersection Crashes in Lakeside and Across California
This fatal crash happened at State Route 67 and Posthill Road in Lakeside, CA. Readers following crash news in San Diego County can find more about intersections across the state on our California intersection crash information.
Frequently Asked Questions
How are fatal crashes like this investigated?
The CHP typically reconstructs the scene using physical evidence, vehicle data, and witness statements to determine how the collision occurred.
How long do these investigations usually take?
Initial findings can take days, but full reports, including any toxicology results, usually take weeks or longer to complete.
What role does impairment play in fatal crashes?
Investigators routinely check for signs of alcohol or drug use, but no such factor has been confirmed in this case.
Where do fatal crashes most frequently happen?
They commonly occur at intersections and on rural highway stretches where speeds are higher, though the cause here remains undetermined.
