Available 
CLAREMONT, Los Angeles County, Calif., Oct. 30, 2026 — One person was hurt on Thursday evening, October 29, when three vehicles collided on the eastbound I-210 off-ramp at Base Line Road in Claremont, according to the California Highway Patrol.
The crash was reported shortly after 5:13 p.m., when a white Toyota RAV4 and a red minivan collided near the off-ramp. A white Toyota and a black sedan were also involved, and the red minivan came to rest blocking the off-ramp.
One occupant was taken to Montclair Hospital Medical Center with a facial laceration. Los Angeles County Fire Department crews responded to the scene, and the California Highway Patrol's Freeway Service Patrol was called in to help clear the vehicles from the roadway. The off-ramp was partially blocked while crews worked, and the Freeway Service Patrol closed out its portion of the response by about 6:24 p.m.
No other injuries were reported as of yet. The cause of the crash has not been released, and the incident remains on file with the California Highway Patrol pending further review.
We hope everyone who was hurt makes a full and speedy recovery.
Local Crash Information for Claremont, CA
The multi-vehicle crash was reported on I-210 in Claremont. For more crash news from the area, see our latest Los Angeles County crash news.
Frequently Asked Questions
Can one crash trigger additional collisions nearby?
Yes. When a vehicle is left blocking a lane or ramp, as happened here, approaching traffic has little time to react, increasing the risk of a follow-up crash before the scene is cleared.
Why are multi-vehicle crashes usually harder to sort out than two-car wrecks?
With three or more vehicles involved, investigators usually have to piece together several points of impact and multiple driver accounts to determine how the collision unfolded.
What typically causes a pile-up involving several vehicles?
Common factors include sudden braking, following too closely, limited visibility, or a vehicle stopping unexpectedly in a travel lane or on a ramp, though the specific cause in any case depends on the findings of the investigating agency.
