Major Collision Causes Traffic Chaos on I-580

Major Collision on Westbound Interstate 580 in Castro Valley Causes Lane Blockage and Hazardous Material Leak

📍 Castro Valley, CA

📅 Published: February 12, 2025 at 12:02 AM

🔄 Updated: February 12, 2025 at 04:30 AM

Map showing the location of the accident in Castro Valley, CA
Castro Valley, February 11, 2025 -

A significant traffic incident occurred today on westbound Interstate 580 near the Castro Valley Boulevard off-ramp in Castro Valley, CA, involving a collision between a big rig and an SUV. The accident was reported at approximately 11:39 PM and resulted in substantial debris on the roadway, leading to the blockage of lane 4.

Emergency services responded promptly to the scene, where it was confirmed that the big rig was non-drivable and had leaked hazardous materials, including diesel fuel. The situation necessitated the involvement of multiple units to manage the cleanup and ensure safety.

As of now, the status of any injuries remains unknown. The incident has caused considerable traffic disruptions, with all lanes temporarily halted. A SigAlert was issued to inform drivers of the lane closure and ongoing cleanup efforts. Crews are actively working to clear the debris and address the hazardous materials leak.

Motorists are advised to seek alternate routes to avoid delays as cleanup operations continue. The California Highway Patrol is on-site managing the situation and ensuring the safety of all travelers in the area. Further updates will be provided as the situation develops.

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