A hit-and-run collision with no reported injuries was documented at about 3:40 p.m. Sept. 21, 2026, on the eastbound Interstate 10 Vineyard Avenue on-ramp in Rancho Cucamonga, California. The California Highway Patrol classified the incident as a hit-and-run without injuries.
The reported location was the Vineyard Avenue on-ramp serving eastbound I-10. CHP dispatch information did not identify the vehicles involved or describe the circumstances of the collision.
A CHP update at 3:46 p.m. referenced the Milliken Avenue on-ramp. The dispatch information did not clarify the relationship between that reference and the original Vineyard Avenue location.
No ambulance, fire response, tow request, lane closure or roadway blockage was documented in the available CHP information. The dispatch also did not provide additional details about the vehicle that left the scene.
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