Major Traffic Jam on I-15 After Collision

Traffic Collision on Interstate 15 in Rancho Cucamonga Causes Lane Closures Today

📍 Rancho Cucamonga, CA

📅 Published: June 27, 2025 at 12:02 AM

Map showing the location of the accident in Rancho Cucamonga, CA
Rancho Cucamonga, June 26, 2025 -

A traffic collision occurred today on Interstate 15 North near Foothill Boulevard in Rancho Cucamonga, CA, involving two vehicles: a white semi-truck and a white trailer. The incident took place around 11:20 PM, resulting in significant lane closures. All lanes were blocked except for the slow lane, leading to considerable traffic congestion in the area.

Emergency response teams were quickly dispatched to manage the scene and control traffic flow. A tow truck was requested to assist in the removal of the vehicles involved in the collision. The blockage of multiple lanes has caused delays and backups for drivers traveling through this busy corridor.

Motorists are advised to exercise caution and consider alternate routes to avoid the area until the situation is resolved. While the slow lane remains open, significant delays are expected as crews work to clear the scene and restore normal traffic conditions.

This traffic incident underscores the importance of safe driving practices, especially during late-night hours when visibility may be reduced. Drivers are encouraged to stay informed about road conditions and to remain patient as emergency responders manage the aftermath of this collision.

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