Major Traffic Disruptions from I-405 Collision

Traffic Collision on Interstate 405 in Irvine Causes Delays Today

📍 Irvine, CA

📅 Published: August 9, 2025 at 08:31 PM

Map showing the location of the accident in Irvine, CA
Irvine, August 9, 2025 -

A traffic collision involving two vehicles occurred today on the transition from Interstate 405 North to State Route 55 North in Irvine, CA. The incident took place around 5:45 PM, causing significant disruptions to the evening commute. One vehicle, a black Hyundai Sonata, sustained major front-end damage, while the second vehicle was able to proceed toward the northbound 55 freeway.

The collision resulted in the displacement of impact attenuators, which were pushed approximately 15 feet into the roadway. This situation necessitated lane closures and partial road shutdowns to ensure safety and facilitate scene control, leading to delays and congestion in the surrounding area. Emergency response units were dispatched to manage the incident and assist with traffic flow.

By 6:20 PM, efforts were underway to clear the roadway, with vehicles being moved to the northbound 55 freeway just south of Dyer Road. Law enforcement units were present to oversee the scene and ensure the safety of motorists. They were cleared from the scene once control was established.

Motorists are advised to expect residual delays as cleanup efforts continue. This traffic incident highlights the importance of caution while navigating busy highway transitions and intersections.

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