A high-severity accident was reported on I-15 S/B (ONTARIO FWY) near Rancho Cucamonga on May 8, 2026 at 6:23 PM. 2 parties involved, 6 injuries.
6 injured. Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Near SR-66 W/B (FOOTHILL BLVD).