Major Collision Blocks Lanes on I-15 North

Traffic Collision on Interstate 15 in Ontario Causes Delays Today

📍 Ontario, CA

📅 Published: August 21, 2025 at 04:37 PM

🔄 Updated: August 21, 2025 at 05:09 PM

Map showing the location of the accident in Ontario, CA
Ontario, August 21, 2025 -

A significant traffic collision occurred today on Interstate 15 North near the Interstate 10 interchange in Ontario, CA, involving four vehicles: two semi-trucks and two sedans. The incident took place around 3:49 PM and has resulted in multiple lanes being blocked, causing considerable traffic delays and congestion in the area.

The vehicles involved in the crash include a black Toyota sedan, a white semi-truck, a white big rig, and a silver SUV. All four vehicles are reported as not drivable, prompting the need for a tow service to assist at the scene. Emergency units have arrived to manage the situation and secure the area.

As a result of the collision, traffic is expected to be impacted for an extended period, with authorities issuing a signal alert for at least an hour. Motorists traveling through this busy corridor should anticipate slow-moving traffic and significant backups. Drivers are advised to seek alternate routes if possible to avoid delays.

The incident has created a challenging situation for afternoon commuters, and authorities are working diligently to restore normal traffic flow as quickly as possible. For those planning to travel in Ontario, CA, particularly along Interstate 15 North, it is essential to stay updated on traffic conditions and allow extra time for travel due to the ongoing incident.

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