Collision on I-405 Causes Major Traffic Delays

Traffic Collision on Interstate 405 in Costa Mesa Causes Lane Closure Today

📍 Costa Mesa, CA

📅 Published: July 17, 2025 at 11:01 AM

Map showing the location of the accident in Costa Mesa, CA
Costa Mesa, July 17, 2025 -

A traffic collision involving two vehicles occurred today on Interstate 405 South near Fairview Road in Costa Mesa, CA. The incident took place around 9:55 AM, involving a silver Toyota Cam and a black Chevrolet sedan. Emergency services responded quickly to manage the scene and control traffic flow.

Due to the collision, lane 3 on Interstate 405 South was closed, leading to significant delays for motorists during the busy morning commute. Traffic management units were deployed to assist with the situation, and a SigAlert was issued, indicating that lane 3 would be blocked for approximately 30 minutes.

Towing services were requested to remove the vehicles involved in the collision. Emergency responders remained on-site to ensure safety and facilitate the clearing of the roadway. By 10:50 AM, the roadway was cleared, allowing traffic to resume normal conditions.

Motorists traveling through the area are advised to remain cautious and expect potential residual delays as traffic returns to normal. This incident highlights the importance of safe driving practices, especially during peak traffic hours.

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