Major Traffic Collision Disrupts Morning Commute

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

📍 Diamond Bar, CA

📅 Published: June 30, 2025 at 05:33 AM

🔄 Updated: June 30, 2025 at 07:31 AM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, June 30, 2025 -

A significant traffic collision occurred today on State Route 60 West at State Route 57 South in Diamond Bar, CA, causing major disruptions during the morning commute. The incident involved three vehicles: a red Toyota pickup, a white Toyota Camry that was rendered undriveable and later towed, and a black Lexus pickup that was affected by debris. A semi-truck was also confirmed to be involved in the collision.

As a result of the traffic incident, both eastbound and westbound lanes experienced lane blockages and debris on the roadway, leading to temporary stoppages and significant traffic congestion. Emergency services responded quickly to the scene, deploying units for traffic management and vehicle removal. Crews worked diligently to clear the debris and manage the flow of traffic, eventually reopening all lanes on the eastbound side.

Motorists traveling through the area faced delays and backups as the situation unfolded. The traffic incident underscores the importance of caution on the roads, especially during peak travel times. Drivers are advised to remain alert for changing conditions and to expect potential traffic disruptions in the vicinity of State Route 60 and State Route 57.

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