Major Traffic Delays After Collision in Diamond Bar

Traffic Collision on State Route 60 East in Diamond Bar Causes Morning Congestion Today

📍 Diamond Bar, CA

📅 Published: September 19, 2025 at 12:04 PM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, September 19, 2025 -

A traffic collision involving two vehicles occurred today at the intersection of State Route 60 East and State Route 57 North in Diamond Bar, CA. The incident took place around 11:11 AM and involved a black Chevy Traverse and a white Toyota Tundra. Initially, the collision blocked multiple lanes, causing significant traffic delays during the busy morning commute.

Emergency units were promptly dispatched to the scene to manage traffic and ensure safety. Towing services were requested shortly after the incident, as both vehicles required removal from the roadway. By approximately 11:56 AM, updates indicated that at least one lane had been cleared, allowing for some relief from the traffic congestion.

Motorists traveling through the area should remain cautious, as residual delays may still be present while cleanup efforts continue. The California Highway Patrol is on-site to oversee the situation and manage any further traffic impacts resulting from the collision.

Drivers are advised to consider alternate routes if possible to avoid congestion in this area. Stay tuned for further updates as the situation develops.

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