Three-Vehicle Crash Causes Evening Traffic Jam

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

📍 Costa Mesa, CA

📅 Published: September 5, 2025 at 06:37 PM

Map showing the location of the accident in Costa Mesa, CA
Costa Mesa, September 5, 2025 -

A traffic collision on Interstate 405 South in Costa Mesa, CA, caused significant delays today during the evening commute. The incident occurred around 5:25 PM and involved three vehicles, including a silver sedan and a white van.

The collision blocked the right lane, leading to congestion and slow-moving traffic in the area. California Highway Patrol units responded quickly to manage the scene and direct traffic. A tow truck was called to assist with the removal of one vehicle, while the status of the other vehicles involved was not detailed.

By approximately 6:06 PM, emergency responders had cleared the scene, allowing for the reopening of the affected lane. Motorists experienced delays as they navigated through the backup, but traffic began to improve following the incident’s resolution.

This traffic incident underscores the importance of safe driving practices and remaining alert on busy highways like Interstate 405, especially during peak travel times. For those commuting through Costa Mesa, staying informed about traffic conditions can help avoid unnecessary delays.

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