A high-severity accident was reported on I-15 N/B (ONTARIO FWY) near Rancho Cucamonga on April 26, 2026 at 5:00 PM. 3 parties involved, 5 injuries.
5 injured. Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Near SR-66 E/B (FOOTHILL BLVD.).