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TEMESCAL VALLEY, Riverside County, Calif., Oct. 20, 2026 — Two semi-trucks collided head-on on Monday afternoon, October 19, at the El Sobrante Landfill off Dawson Canyon Road, according to the California Highway Patrol. The crash was reported shortly before 1:45 p.m.
The California Highway Patrol said the call came in as a truck-versus-truck collision inside the landfill property. A person who reported the crash was described as being inside one of the semi-trucks involved in the crash.
Fire crews were requested to the scene. The extent of any injuries has not been released, and it remains unclear how many people were hurt or how serious their conditions were.
The crash remains under investigation. No further details on what led the two trucks to collide head-on have been made public.
We wish those injured a full recovery.
More on Crashes in Temescal Valley, CA
This truck crash happened on Dawson Canyon Road in Temescal Valley, CA. We cover crashes across Riverside County as they're reported, and you can browse the latest in our Riverside County accident reports.
Frequently Asked Questions
How can drivers safely share the road with large trucks?
Give trucks extra space, especially near their blind spots, and avoid cutting in front of them since they need much more distance to slow down or stop than passenger vehicles.
Does driver fatigue play a role in truck crashes?
Fatigue is a known factor in many commercial truck crashes because long hauls and tight schedules can slow reaction times. Investigators typically review a driver's hours of service as part of any crash inquiry.
What should I do after a crash involving a commercial truck?
Call 911, move to a safe location if possible, and seek medical evaluation even if injuries seem minor. Get the names of all drivers and witnesses, and request a copy of the official report once it's filed.
Why do trucks need so much room to stop?
A loaded semi-truck can weigh tens of thousands of pounds more than a car, so its brakes and tires need far more distance to bring it to a stop, especially on grades or uneven surfaces like those found at industrial sites.
What to Do After a Truck Crash in Temescal Valley, CA
If you're involved in or witness a crash involving a commercial truck in Temescal Valley, start by checking for injuries and calling for emergency help. Stay clear of heavy equipment or unstable loads, particularly at industrial sites where large vehicles operate close together. Even if you feel fine, a medical check can catch injuries that aren't obvious right away. Keep any paperwork, photos, or contact information you gather, since it can help the California Highway Patrol or your insurer piece together what happened. Giving yourself time to rest and follow up with a doctor afterward matters just as much as the immediate response.
