Major Traffic Disruption in Diamond Bar Collision

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

📍 Diamond Bar, CA

📅 Published: September 10, 2025 at 05:38 PM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, September 10, 2025 -

A traffic collision involving three vehicles occurred today at the Diamond Bar Park and Ride area, located at the intersection of State Route 60 East and North Diamond Bar Boulevard in Diamond Bar, CA. The incident took place around 4:48 PM and involved a black Toyota with deployed airbags, an unknown vehicle, and another vehicle identified as “1182 /EB 60 JEO GRAND.”

The collision obstructed multiple lanes, including the High Occupancy Vehicle (HOV) lane and lane one, causing significant traffic congestion and delays in the area. Motorists experienced backups as emergency response units from the California Highway Patrol (CHP) arrived to manage the scene and control traffic flow.

By 4:58 PM, a tow truck was called to assist in moving the vehicles involved in the incident to the Diamond Bar Park and Ride, allowing for the safe removal of the obstruction from the roadway. CHP units remained on-site to ensure the safe passage of vehicles and to minimize further traffic disruptions.

Drivers are advised to seek alternate routes to avoid delays in the Diamond Bar area as the situation develops. The CHP is actively working to clear the scene and restore normal traffic conditions.

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