Major Traffic Disruption on State Route 60

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

📍 Diamond Bar, CA

📅 Published: August 17, 2025 at 03:33 AM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, August 17, 2025 -

A traffic collision on State Route 60 West in Diamond Bar, CA, has caused significant disruptions to traffic flow today. The incident, involving two vehicles—a black Acura four-door sedan and a black Honda four-door sedan—occurred around 2:40 AM. One vehicle was moved to the roadside, while the other remained in the left lane, blocking traffic and creating challenges for drivers.

Emergency services responded quickly, deploying multiple units to manage the scene and control traffic. The blockage in the left lane led to delays and congestion for motorists, particularly affecting early morning commuters. Visibility was also reported to be difficult due to the positioning of the vehicles.

Tow trucks were requested to assist with the removal of the vehicles involved in the collision. As emergency crews worked to clear the scene, traffic was significantly impacted, with backups forming in the area. Motorists were advised to seek alternate routes to avoid delays and to remain cautious while navigating through the affected section of the highway.

This traffic incident underscores the importance of road safety and the need for drivers to stay alert, especially during early morning hours when visibility may be reduced. Updates will be provided as the situation evolves and traffic conditions improve.

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