Major Multi-Vehicle Collision Disrupts I-15 Traffic

Traffic Collision on Interstate 15 South in Rancho Cucamonga Causes Delays Today

📍 Rancho Cucamonga, CA

📅 Published: June 3, 2025 at 05:32 AM

🔄 Updated: June 3, 2025 at 07:00 AM

Map showing the location of the accident in Rancho Cucamonga, CA
Rancho Cucamonga, June 3, 2025 -

A significant traffic collision occurred today on Interstate 15 South near Baseline Road in Rancho Cucamonga, CA, involving eight vehicles, including a gray Honda, a white pickup truck, and a BMW X5. The incident, which took place during the morning commute, resulted in the blockage of lanes three and four, causing traffic delays and congestion in the area.

Emergency response teams were dispatched to manage the scene and control traffic flow. Multiple tow trucks were called to assist with the removal of the vehicles involved in the crash. Traffic management units were also deployed to monitor the situation and ensure safety for all motorists.

Due to the lane closures, drivers experienced significant backups and delays, with signal alerts activated for approximately 30 minutes to warn approaching vehicles. As the situation was addressed, lanes were gradually reopened, and by mid-morning, all lanes were cleared, allowing traffic to resume normal flow.

Motorists are advised to remain cautious and stay updated on traffic conditions in the area. This incident serves as a reminder of the importance of safe driving practices, especially during peak travel times.

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