Major Traffic Disruption on I-405 in Costa Mesa

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

📍 Costa Mesa, CA

📅 Published: July 4, 2025 at 03:01 AM

🔄 Updated: July 4, 2025 at 04:31 AM

Map showing the location of the accident in Costa Mesa, CA
Costa Mesa, July 4, 2025 -

A traffic collision involving two vehicles, a black SUV and a silver vehicle, occurred today on Interstate 405 South near State Route 73 in Costa Mesa, CA. The incident took place early in the morning, around 2:01 AM, and has resulted in significant traffic disruptions, including the closure of the first lane.

Emergency response teams from the California Highway Patrol (CHP) quickly arrived at the scene to manage traffic and ensure safety. One of the vehicles involved is reported to require towing services, while the status of the other vehicle remains unspecified. As crews worked to clear the area, motorists experienced delays and congestion in the vicinity.

By approximately 3:01 AM, the roadway was cleared, but traffic was still being monitored for any residual backups. The CHP is actively managing the situation to restore normal traffic flow as quickly as possible. Drivers are advised to remain cautious and expect potential delays while traveling through this area.

As the morning progresses, updates will continue to be provided regarding traffic conditions in Costa Mesa, CA, following this traffic incident.

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