Major Traffic Disruption on I-405 in Costa Mesa

Traffic Collision on Interstate 405 in Costa Mesa Causes Delays Today

📍 Costa Mesa, CA

📅 Published: August 15, 2025 at 07:36 AM

🔄 Updated: August 15, 2025 at 08:08 AM

Map showing the location of the accident in Costa Mesa, CA
Costa Mesa, August 15, 2025 -

A traffic collision on Interstate 405 North in Costa Mesa, CA, caused significant disruptions during the morning commute today. The incident involved two vehicles: a red GMC Acadia and a white Mercedes. Both vehicles were blocking the High Occupancy Vehicle (HOV) lane and part of another lane, leading to restricted traffic flow.

Emergency services were dispatched to manage the scene, with a tow truck called to assist in removing the white Mercedes, which had collided with a concrete wall. The red GMC Acadia was also involved in the collision, contributing to the blockage of the HOV lane. As a result, traffic signals for the HOV lane were adjusted to help alleviate congestion.

Motorists experienced delays and backups as they navigated through the affected area. The traffic incident created significant congestion, prompting drivers to seek alternate routes. Authorities worked diligently to clear the roadway and restore normal traffic conditions.

As the situation developed, emergency responders focused on controlling the scene and ensuring the safe removal of the vehicles involved. Commuters are advised to remain cautious and expect potential delays in the area as cleanup efforts continue.

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