Major Traffic Delays After Pickup Truck Rollover

Traffic Collision on State Route 57 South in Diamond Bar Causes Delays Today

📍 Diamond Bar, CA

📅 Published: March 29, 2025 at 07:34 PM

🔄 Updated: March 29, 2025 at 09:01 PM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, March 29, 2025 -

A traffic collision on State Route 57 South in Diamond Bar, CA, has led to significant traffic disruptions today. The incident occurred around 7:06 PM when a grey pickup truck veered off the right-hand side of the roadway and rolled multiple times down an embankment. The vehicle ended up approximately 30 feet down the hillside, prompting a rapid emergency response.

Traffic management teams quickly arrived at the scene, implementing lane closures to ensure safety and facilitate the recovery of the vehicle. The collision caused noticeable delays and backups for motorists traveling along State Route 57 South, particularly near the Diamond Bar Boulevard off-ramp. Drivers are advised to seek alternate routes to avoid congestion in the area.

A tow truck was called to the scene and successfully removed the vehicle by 8:33 PM. Emergency responders remained on-site to manage the situation and help restore traffic flow as quickly as possible.

Motorists in the vicinity should remain cautious and expect potential delays as the area clears. This incident highlights the importance of safe driving practices, especially in challenging road conditions.

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