Major Traffic Disruption on I-405 South

Traffic Collision on Interstate 405 in Costa Mesa Causes Delays Today

📍 Costa Mesa, CA

📅 Published: September 3, 2025 at 07:35 AM

Map showing the location of the accident in Costa Mesa, CA
Costa Mesa, September 3, 2025 -

A traffic collision involving two vehicles occurred today on Interstate 405 South near Bristol Street in Costa Mesa, CA. The incident took place during the morning commute, impacting traffic flow significantly. A dark sedan and a silver pickup truck were involved in the crash, which resulted in lane closures as emergency response teams arrived on the scene.

Traffic management units quickly implemented measures to control the situation, moving the vehicles to the right shoulder to minimize disruption. Despite these efforts, drivers experienced delays and congestion in the area as crews worked to clear the scene and ensure safety.

A tow truck was dispatched to assist with the removal of the damaged vehicles, which sustained property damage. Emergency personnel focused on managing traffic and maintaining safety for all motorists in the vicinity.

Motorists are advised to exercise caution and consider alternative routes to avoid potential backups. The traffic incident has created a ripple effect on surrounding roads, contributing to slower travel times for those heading southbound on Interstate 405.

Stay informed about traffic conditions and plan your journey accordingly to reduce delays during your commute.

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