Four-Vehicle Collision Disrupts Traffic on SR 60

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

📍 Diamond Bar, CA

📅 Published: August 20, 2025 at 10:32 PM

🔄 Updated: August 20, 2025 at 11:33 PM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, August 20, 2025 -

A traffic collision involving four vehicles occurred today on State Route 60 West near State Route 57 South in Diamond Bar, CA. The incident was reported around 10:15 PM and involved a newer model pickup truck, an SUV, a semi-truck, and an unidentified vehicle. Initial reports indicated that several lanes were blocked, leading to significant traffic disruption in the area.

Emergency response units arrived promptly to manage the situation and control traffic flow. While some lanes remained open, others were temporarily closed as crews worked to clear the wreckage. The semi-truck was involved in a collision with the SUV, contributing to the complexity of the traffic incident.

A tow truck was called to assist in removing the vehicles from the roadway. By approximately 11:21 PM, all lanes were cleared, allowing traffic to resume normal flow. The earlier blockage had resulted in delays and congestion for motorists traveling through this busy intersection.

Drivers are advised to remain cautious in the area as residual traffic may still be present. The California Highway Patrol effectively managed the incident, ensuring that the roadway was safe for all travelers. For those commuting through Diamond Bar, CA, it is always wise to stay updated on traffic conditions to avoid potential backups.

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