Major Traffic Disruption on I-405 After Collision

Traffic Collision on Interstate 405 South in Costa Mesa Causes Delays Today

📍 Costa Mesa, CA

📅 Published: August 21, 2025 at 05:33 PM

🔄 Updated: August 21, 2025 at 06:06 PM

Map showing the location of the accident in Costa Mesa, CA
Costa Mesa, August 21, 2025 -

A traffic collision involving two vehicles occurred today on Interstate 405 South near Bristol Street in Costa Mesa, CA, significantly impacting traffic flow. The incident happened around 4:16 PM and involved a white Suburban and a black sedan, both of which sustained damage but remained driveable.

Emergency response units arrived promptly to manage the situation, implementing lane closures to ensure safety and facilitate scene control. As a result, motorists experienced delays and congestion in the area, particularly during the busy afternoon commute.

Additionally, a red sedan was reported to have possible damage and may have been involved in the traffic incident, further complicating traffic conditions. A tow truck was called to assist with the removal of the vehicles involved in the collision.

Drivers traveling on Interstate 405 South should anticipate potential backups and plan for delays as cleanup efforts continue. Authorities are working diligently to clear the roadway and restore normal traffic flow.

For the latest updates on traffic conditions and road closures, motorists are encouraged to stay informed through local traffic reports.

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