Six-Vehicle Collision Causes Major Traffic Delays

Traffic Collision on Interstate 15 in Rancho Cucamonga Causes Delays Today

📍 Rancho Cucamonga, CA

📅 Published: September 13, 2025 at 07:58 PM

🔄 Updated: September 13, 2025 at 09:33 PM

Map showing the location of the accident in Rancho Cucamonga, CA
Rancho Cucamonga, September 13, 2025 -

A traffic collision occurred today on Interstate 15 South near Foothill Boulevard in Rancho Cucamonga, CA, involving six vehicles, including multiple semi-trucks. The incident was reported around 7:54 PM and resulted in significant traffic delays and lane closures as emergency services responded to the scene.

The vehicles involved included a tan Toyota Camry, a semi identified as "SWIFT SEMI," and another semi located on the right shoulder. Additionally, an unknown vehicle was reported as possibly disabled, further contributing to the traffic congestion. Emergency response teams worked diligently to manage the situation, directing traffic and ensuring safety while tow services were called to assist with the removal of the damaged vehicles.

As a result of the traffic incident, motorists experienced considerable backups in the area, with slow-moving traffic reported. Emergency units maintained control of the scene, guiding vehicles away from the affected lanes until the situation was resolved.

Drivers are advised to exercise caution and expect delays if traveling through this area. The California Highway Patrol is actively managing the aftermath of this traffic collision to restore normal traffic flow as quickly as possible.

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