Major Collision Disrupts Traffic on I-405 South

Traffic Collision on Interstate 405 South in Signal Hill Causes Delays Today

📍 Signal Hill, CA

📅 Published: September 19, 2025 at 02:32 PM

Map showing the location of the accident in Signal Hill, CA
Signal Hill, September 19, 2025 -

A traffic collision involving three vehicles occurred today on Interstate 405 South near the Orange Avenue off-ramp in Signal Hill, CA. The incident took place around 1:40 PM and involved a grey Toyota Corona, a grey sedan, and an unknown pickup truck.

As a result of the collision, one lane was blocked, leading to significant traffic disruptions in the area. Emergency services responded quickly to manage the situation, focusing on directing traffic and securing the scene. Tow service operations were initiated, with vehicles being towed as necessary to clear the roadway.

The collision created delays and backups for motorists traveling through this busy corridor during the afternoon commute. Drivers in the vicinity are advised to expect congestion and consider alternative routes if possible.

Authorities are working diligently to restore normal traffic flow, but residual impacts may continue as the area clears. Motorists are encouraged to stay informed about traffic conditions and plan accordingly to avoid potential delays caused by this traffic incident.

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