Major Traffic Disruptions on State Route 60

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

📍 Diamond Bar, CA

📅 Published: June 11, 2025 at 07:36 PM

🔄 Updated: June 11, 2025 at 09:30 PM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, June 11, 2025 -

A traffic collision occurred today on State Route 60 East near the Diamond Bar Boulevard off-ramp in Diamond Bar, CA, leading to significant traffic disruptions. The incident involved two vehicles: a yellow Volkswagen Beetle and a Mini Van, which remained on the roadway after the crash.

Emergency units were dispatched to the scene to manage traffic and ensure safety. The High Occupancy Vehicle (HOV) lane was blocked due to the collision, resulting in delays and congestion for drivers in the area. Motorists are advised to expect backups as traffic flow is impacted during the ongoing response efforts.

The collision was reported shortly after 6:54 PM, and emergency responders worked diligently to control the situation. By 6:58 PM, both vehicles were confirmed to be on the right shoulder, but the blockage continued to affect traffic as crews worked to clear the scene.

Drivers are encouraged to seek alternate routes to avoid delays and to remain cautious while navigating through the affected area. The situation is being monitored, and updates will be provided as more information becomes available.

For those traveling through Diamond Bar, CA, please plan for potential traffic disruptions due to this traffic incident on State Route 60 East.

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