Major Collision Disrupts Morning Commute on I-405

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

📍 Signal Hill, CA

📅 Published: March 27, 2025 at 06:32 AM

🔄 Updated: March 27, 2025 at 07:04 AM

Map showing the location of the accident in Signal Hill, CA
Signal Hill, March 27, 2025 -

A significant traffic collision occurred today on Interstate 405 South near the Atlantic Avenue on-ramp in Signal Hill, CA, disrupting the morning commute. The incident involved five vehicles, including a gray Toyota, a gray Volkswagen Jetta, a white Ford Fusion, a gray sedan, and an unknown pickup truck.

As a result of the collision, multiple lanes were blocked, including the high-occupancy vehicle (HOV) lane and an additional lane, leading to substantial traffic congestion in the area. Emergency response teams were dispatched to manage the scene and direct traffic, while several tow trucks were called to assist with the removal of the disabled vehicles.

Traffic management units worked diligently to clear the roadway, but significant delays and backups were reported as motorists navigated around the scene. A signal alert was issued, indicating that the HOV lane and one additional lane would remain closed for approximately two and a half hours while crews worked to restore normal traffic flow.

Motorists are advised to seek alternate routes to avoid delays and to remain cautious in the area as cleanup efforts continue. This traffic incident highlights the importance of safe driving practices, especially during peak travel times.

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