Major Traffic Jam Following Collision in Diamond Bar

Traffic Collision on State Route 60 West in Diamond Bar Causes Major Delays Today

📍 Diamond Bar, CA

📅 Published: October 3, 2025 at 05:06 AM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, October 3, 2025 -

A significant traffic collision occurred today on State Route 60 West at the junction with State Route 57 South in Diamond Bar, CA, leading to major disruptions in traffic flow. The incident involved three vehicles: a gray Ford sedan, a black Chevrolet Silverado with extensive front-end damage, and a black pickup truck.

The collision resulted in the closure of all lanes on this busy stretch of roadway, causing substantial delays for morning commuters. Emergency response teams were dispatched to the scene to manage the situation, and a tow truck was called to assist with the removal of the damaged vehicles.

Traffic was severely impacted, with vehicles blocking the roadway and forcing drivers to seek alternate routes. The incident was reported around 4:18 AM, and by 4:33 AM, all lanes were confirmed to be stopped, exacerbating congestion in the area.

Motorists are advised to avoid this section of State Route 60 if possible and to expect significant delays as cleanup efforts continue. Traffic control personnel are on-site to ensure the safe and efficient clearing of the roadway.

Drivers should remain alert and stay updated on traffic conditions as the aftermath of this traffic incident unfolds.

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