Major Traffic Delays on I-405 in Costa Mesa

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

📍 Costa Mesa, CA

📅 Published: May 18, 2025 at 07:24 PM

🔄 Updated: May 18, 2025 at 08:34 PM

Map showing the location of the accident in Costa Mesa, CA
Costa Mesa, May 18, 2025 -

A traffic collision on Interstate 405 South in Costa Mesa, CA, has caused significant traffic disruptions today. The incident, involving two vehicles—a grey BMW and a silver Toyota Prius—occurred around 6:43 PM. A flatbed tow truck is currently on the scene, blocking the southbound lane to facilitate the towing operation.

Traffic management units have responded to the incident, securing the area and controlling traffic flow in the affected lanes. As a result, motorists are experiencing delays and congestion on Interstate 405 South, especially as vehicles navigate the transition to State Route 73. The backup has created challenges for evening commuters, who are advised to consider alternative routes to avoid the area.

Emergency responders are actively managing the scene to ensure safety and minimize traffic impact. Updates regarding lane closures and traffic conditions are being communicated to assist drivers in navigating the situation.

Motorists are encouraged to remain patient as the incident is addressed. This traffic collision highlights the importance of safe driving practices and awareness of road conditions. Drivers should stay informed about traffic updates and plan their journeys accordingly.

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