Available 
SYLMAR, Los Angeles County, Calif., Oct. 22, 2026 — A crash involving several vehicles blocked all westbound lanes of Interstate 210 at Yarnell Street in Sylmar on Wednesday afternoon, October 21, according to the California Highway Patrol.
The CHP said the collision was first reported shortly before 4:45 p.m. and initially involved three to four vehicles, though that count was later corrected to five or six vehicles involved. One vehicle was reported possibly smoking.
Los Angeles County Fire Department units responded to the scene, according to dispatch records. A tow company was called in with two trucks to help clear the roadway, and Freeway Service Patrol crews also assisted before the incident was marked closed around 5:24 p.m.
The extent of injuries has not been detailed in CHP records, though at least one person is reported to have been hurt.
Lanes were reopened once the involved vehicles were moved to the center divider and towing was underway.
The investigation appears to still be active. We wish the injured a complete recovery.
More on Crashes in Sylmar, CA
This multi-vehicle crash happened at Interstate 210 and Yarnell Street in Sylmar, CA. We cover crashes across Los Angeles County as they're reported, and you can browse the latest in our Los Angeles County accident reports.
Frequently Asked Questions
How can drivers avoid getting caught in a multi-vehicle pile-up?
Keep a safe gap from the car ahead, slow down early when traffic bunches up, and watch brake lights several cars in advance so there's time to react before impact becomes unavoidable.
What should I do if I'm stopped near a crash on the freeway?
Turn on hazard lights, stay buckled in your vehicle if it's safe to do so, and only get out and move behind a barrier if staying inside puts you at greater risk from passing traffic.
How does fog or poor visibility contribute to pile-ups?
Reduced visibility shortens the time drivers have to see a slowdown ahead, which is why speed should be adjusted well below the posted limit whenever conditions make it hard to see far down the road.
Why does following distance matter so much in heavy traffic?
A longer gap gives a driver more time to brake smoothly instead of slamming on the brakes, which lowers the odds of being rear-ended or rear-ending someone else when traffic stops suddenly.
What to Do After a Multi-Vehicle Crash in Sylmar, CA
If you're involved in a pile-up on a freeway in Sylmar, try to move to a safe spot such as the shoulder or center divider if your vehicle is drivable, and turn on hazard lights right away. Call 911 to report injuries and check on others only if it's safe to approach. Even if you feel fine, a medical check in the hours after a crash can catch injuries like whiplash or internal bruising that aren't obvious right away. Take photos of the scene if you're able, get contact information from other drivers, and file a report with the CHP or local police so there's an official record of what happened.
