Major Collision Causes Traffic Chaos on I-60

Traffic Collision on Interstate 60 in Diamond Bar Causes Major Delays Today

📍 Diamond Bar, CA

📅 Published: August 30, 2025 at 03:37 AM

🔄 Updated: August 30, 2025 at 07:01 AM

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

A significant traffic collision occurred today on the eastbound side of Interstate 60 (I-60) near Diamond Bar Boulevard in Diamond Bar, CA. The incident involved five vehicles, including a gray Subaru Crosstrek, a dark-colored four-door sedan, a two-door coupe with hazard lights, and a semi-truck, along with an unknown sedan associated with the semi-truck.

The collision resulted in multiple lane blockages, leading to substantial traffic delays and congestion for morning commuters. Emergency response teams were promptly dispatched to the scene to manage traffic flow and secure the area. The eastbound lanes of Interstate 60 experienced temporary shutdowns, causing backups that affected drivers in the vicinity.

Tow trucks were called to assist with the removal of the vehicles involved in the collision. As emergency personnel worked to clear the roadway, traffic was diverted, and motorists were advised to seek alternative routes to avoid delays.

By mid-morning, traffic management efforts were ongoing, with authorities focused on restoring normal traffic conditions as quickly as possible. Drivers traveling through Diamond Bar, CA, should remain alert and expect potential delays as cleanup continues. This traffic incident highlights the importance of safe driving practices, especially during peak travel times.

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