Major Collision Causes Traffic Chaos on I-405

Traffic Collision on Interstate 405 in Costa Mesa Causes Delays Today

📍 Costa Mesa, CA

📅 Published: July 10, 2025 at 09:03 AM

Map showing the location of the accident in Costa Mesa, CA
Costa Mesa, July 10, 2025 -

A traffic collision occurred today on southbound Interstate 405 (I-405) at Harbor Boulevard in Costa Mesa, CA, involving four vehicles: a white Ford, a blue Toyota RAV4, a white Tesla, and a gray Audi SUV. The incident took place during the morning commute, leading to significant traffic delays and congestion as multiple lanes were blocked.

Emergency response units arrived promptly to manage the scene and direct traffic. The white Ford, blue Toyota, and white Tesla were rendered undrivable, while the gray Audi SUV was towed from the scene. The California Highway Patrol worked diligently to control the situation and facilitate the clearing of the roadway.

By approximately 8:33 AM, the roadway was reported clear, allowing traffic to gradually resume. However, motorists traveling through the area should remain cautious and expect potential residual delays as cleanup efforts concluded. This traffic incident highlights the importance of safe driving practices, especially during peak travel hours.

Drivers are encouraged to stay alert and plan their routes accordingly to avoid any lingering congestion in the area.

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