RANCHO CUCAMONGA, CA. (Pain In The Pass) >> Emergency crews responded to a rollover crash on southbound lanes of Interstate 15 in Rancho Cucamonga on Thursday.
California Highway Patrol and firefighters from Rancho Cucamonga Fire Department responded to the traffic crash. The collision was reported at about 4:17pm, Thursday December 4, 2025. The location of the crash was on southbound Interstate 15 just after the Baseline Avenue exit.
The two vehicles involved in the collision were a white Ford F-350 pickup truck pulling a trailer that overturned on its roof blocking the two right lanes. The other vehicle was reported to be a black Honda Civic sedan.
Rescue crews requested at least one ambulance to the scene. One person was transported by ground ambulance to Pomona Valley Hospital Medical Center with minor injuries.
A SIG Alert was issued at 4:30pm for about 2 hours for the tow-truck and for the cleanup. Traffic was backed up over 3+ miles at one point.
We will update this story with more information when the CHP’s preliminary accident report is available. Additional details were limited at this time. This incident will be under investigation by the California Highway Patrol, Rancho Cucamonga Office.
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