Major Traffic Disruptions on I-405 After Collision

Traffic Collision on Interstate 405 South in Irvine Causes Delays Today

📍 Irvine, CA

📅 Published: October 5, 2025 at 11:36 PM

🔄 Updated: October 6, 2025 at 12:37 AM

Map showing the location of the accident in Irvine, CA
Irvine, October 5, 2025 -

A traffic collision occurred today on Interstate 405 South near Laguna Canyon Road in Irvine, CA, leading to significant traffic disruptions. The incident involved a single vehicle, a red Pontiac sedan, which struck roadside structures, resulting in debris scattered across multiple lanes and partial blockage of the right lane.

Emergency response teams quickly arrived at the scene to manage traffic flow and ensure safety. The collision caused delays for motorists traveling southbound on Interstate 405, particularly those transitioning to the northbound 133 freeway. As debris littered the roadway, drivers were advised to exercise caution and seek alternate routes to avoid congestion.

Traffic management units worked diligently to clear the area, coordinating the removal of the vehicle and debris. A tow truck was dispatched to assist with the situation, allowing for the eventual reopening of the affected lanes.

As the emergency response continued, traffic conditions improved gradually, but delays persisted during peak travel times. Motorists were encouraged to stay informed about traffic updates and plan their journeys accordingly. This incident highlights the importance of attentive driving and awareness of changing road conditions.

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