Available 
ARCADIA, Los Angeles County, Calif., Sept. 20, 2026 — A semi-truck and an SUV collided on Saturday morning, September 19, on westbound I-210 near the Huntington Drive onramp in Arcadia. Several people were reportedly hurt, including children who were in the SUV.
The crash was reported before 10 a.m. and involved a semi-truck and a Jeep Commander, according to California Highway Patrol dispatch logs. One caller reportedly told dispatchers she had suffered injuries to her back and head and that four children were in her vehicle at the time.
Arcadia Fire Department units responded to multiple people on the roadside near the scene, and additional personnel were sent to assist with another party reported farther west near Santa Anita Avenue, per dispatch records. The extent and number of injuries have not been officially confirmed.
The California Highway Patrol took over handling of the westbound lanes near Huntington Drive as crews worked the scene, dispatch communications show. It was not immediately known whether any lanes were closed for an extended period or how traffic was affected.
The cause of the collision remains under investigation. Authorities have not released the names of those involved or confirmed the full nature of their injuries.
We hope those who were hurt recover fully and quickly.
Who Is Most Exposed When Passenger Vehicles Collide With Semi-Trucks
Children and other passengers riding low in an SUV or sedan face different risks than the truck driver in a collision between a commercial truck and a smaller vehicle. The size and weight gap between a loaded semi and a passenger SUV means occupants of the smaller vehicle typically absorb most of the crash force, regardless of who caused the collision.
Families traveling together in a single vehicle, as in many highway commutes and weekend trips, can face higher stakes simply because more people are concentrated in one vehicle that is outweighed by the truck involved. Head and back injuries, like those reported in this incident, are common in these mismatched collisions because occupants are thrown forward or sideways with far more force than the truck cab experiences.
According to the National Highway Traffic Safety Administration, 5,472 people were killed in traffic crashes involving large trucks in 2023. National data consistently show that occupants of the smaller vehicle account for the large majority of those deaths, not the truck’s own occupants.
Frequently Asked Questions
How can drivers safely share the road with large trucks?
Give trucks extra space, especially near onramps and merge points, and avoid lingering in a truck’s blind spots. Trucks need more room to react and merge safely than passenger vehicles do.
Does driver fatigue play a role in truck crashes?
Fatigue is a recognized factor in commercial truck crashes nationally, though it has not been confirmed as a cause in this incident. Federal rules limit how many hours truck drivers can be on duty for this reason.
What should I do after a crash involving a commercial truck?
Move to a safe location if possible, call 911, and seek medical evaluation even if injuries seem minor. Get the truck driver’s information and the trucking company’s name, and note the CHP incident number if one was assigned.
Why do semi-trucks need so much distance to stop?
A fully loaded semi can weigh 20 to 30 times more than a passenger car, which greatly increases stopping distance, especially at highway speeds. That extra distance is one reason following too closely behind a truck raises collision risk.
What to Do After a Truck Crash in Arcadia, CA
If you are involved in or witness a truck crash in Arcadia, stay in a safe spot away from moving traffic and call 911 right away. Even passengers who feel fine after the adrenaline of a crash should get checked by a medical provider, since injuries like head trauma or back pain do not always show symptoms immediately.
Take photos of the scene if it is safe to do so, and get contact information from any witnesses nearby. Request a copy of the CHP incident report once it is available, since it will document key details such as vehicle positions and any citations issued. If children were involved, have them evaluated promptly even if they appear uninjured.
