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ALHAMBRA, Los Angeles County, Calif., Oct. 5, 2026 — A multi-vehicle crash shut down lanes on eastbound Interstate 10 near Atlantic Boulevard Saturday night, October 3, according to the California Highway Patrol. Injuries were reported, though the extent was not released.
The California Highway Patrol said the crash began as a two-vehicle collision involving a white Kia Niro and a silver SUV, blocking a slow lane on eastbound I-10 just west of Atlantic Boulevard. A driver from one of the vehicles reportedly got out and was standing in the lanes before additional vehicles became involved, expanding the incident to four vehicles total.
Officers reported all lanes on the stretch were stopped at one point as crews worked the scene. Crews from the Alhambra Fire Department responded to assist, and a tow truck was requested for a gray Cadillac SUV involved in the crash. Flares were set out in the slow lane as responders worked to clear the roadway.
The California Highway Patrol's incident log shows the initial report was updated from a no-injury collision to one with injuries as units arrived and assessed the scene.
The crash remains under investigation. We hope everyone who was hurt makes a full recovery.
Why Pile-Ups on Freeways Put Responders and Stopped Drivers at Risk
Multi-vehicle crashes on busy freeways like I-10 often start small, a two-car collision or a stalled vehicle, and grow because traffic behind it can't stop or move over in time. At night, with reduced visibility and higher speeds, trailing drivers frequently don't see slowed or stopped vehicles until it's too late, turning one crash into several.
The danger multiplies once people are out of their cars. A driver standing in a travel lane to exchange information or check for damage is exposed to oncoming traffic that may not anticipate a stopped scene ahead. The same risk applies to tow operators, firefighters, and CHP officers working within feet of live lanes. Flares and lane closures help, but drivers merging around a crash scene are often distracted or moving too fast for conditions.
According to the National Highway Traffic Safety Administration, 28,595 large-truck occupants were injured in multi-vehicle crashes involving large trucks in 2023. That figure reflects how quickly a single crash can draw in other vehicles and multiply the number of people hurt, a pattern that applies broadly to chain-reaction collisions on high-speed roads.
Frequently Asked Questions
What typically causes a chain-reaction crash on a freeway?
These crashes usually start with one vehicle slowing, stopping, or colliding unexpectedly, then trailing vehicles that can't react in time strike it or each other. Poor visibility, high speeds, and heavy traffic volume all increase the chance that an initial crash pulls in more vehicles.
How can drivers avoid getting caught in a pile-up?
Keeping a safe following distance, staying alert for brake lights or hazard flashers far ahead, and slowing early when traffic density increases can reduce the chance of being swept into a developing crash.
What should I do if I come upon a crash blocking lanes ahead?
Slow down well before reaching the scene, use hazard lights to warn drivers behind you, and move into an open lane if it's safe to do so. Avoid stopping in a travel lane unless directed by emergency personnel.
What to Do After a Multi-Vehicle Crash in Alhambra, CA
If you're involved in or near a multi-vehicle crash, try to move your vehicle out of travel lanes if it's drivable and safe to do so, and turn on hazard lights to alert oncoming traffic. Stay inside your vehicle or move well off the roadway rather than standing in active lanes, even briefly.
Seek a medical evaluation even if injuries seem minor, since some symptoms from a crash don't show up right away. Exchange information with other drivers only once you're in a safe location, and report the crash to local police or the California Highway Patrol if they haven't already responded. Keeping a written record of what happened, including the time and location, can help later with insurance or any follow-up questions from investigators.
