Traffic Snarl on I-405 After Early Morning Crash

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

📍 Costa Mesa, CA

📅 Published: September 25, 2025 at 01:33 AM

Map showing the location of the accident in Costa Mesa, CA
Costa Mesa, September 25, 2025 -

A traffic collision on Interstate 405 South in Costa Mesa, CA, has caused notable traffic disruptions today. The incident occurred around 1:13 AM, involving a single vehicle that ended up blocking the High-Occupancy Vehicle (HOV) lane. Emergency response units quickly arrived to manage the scene and ensure safety for all motorists.

Due to the vehicle's position, significant delays and congestion were reported in the area as drivers navigated around the blocked lane. The presence of multiple emergency response units contributed to the traffic challenges, as they worked diligently to clear the scene and restore normal traffic flow.

A tow truck was called to remove the vehicle from the roadway, further impacting traffic as the situation unfolded. Motorists are advised to expect ongoing delays and consider alternative routes to avoid the congested area.

Authorities are actively managing the traffic incident to minimize disruption for commuters. This situation serves as a reminder for drivers to remain cautious and aware of their surroundings, especially during early morning hours when visibility may be reduced. Updates on traffic conditions will be provided as the situation develops throughout the morning.

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