Major Traffic Disruption on State Route 60 East

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

📍 Diamond Bar, CA

📅 Published: September 3, 2025 at 08:09 AM

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

A traffic collision involving three vehicles occurred today on State Route 60 East near Grand Avenue in Diamond Bar, CA. The incident took place at approximately 7:28 AM and involved a white Chevrolet van, a black Mercedes, and a semi-truck.

As a result of the collision, four to five lanes were blocked, leading to significant traffic delays and congestion during the busy morning commute. Emergency response teams quickly arrived at the scene to manage traffic and implement control measures to ensure the safety of all motorists.

The vehicles involved in the collision remain at the scene, and responding units are currently managing their disposition. Drivers in the area are advised to expect slow-moving traffic and potential backups as the situation is addressed.

Traffic management efforts are in place to minimize disruptions, but motorists should consider alternative routes if possible to avoid delays. The incident has impacted traffic flow, contributing to increased travel times for those commuting through this busy corridor.

Updates will be provided as the situation develops, keeping the public informed about traffic conditions and any changes in lane availability. Stay tuned for further information regarding this traffic incident on State Route 60 East in Diamond Bar, CA.

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