Major Traffic Jam on State Route 60

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

📍 Diamond Bar, CA

📅 Published: September 27, 2025 at 01:28 AM

🔄 Updated: September 27, 2025 at 02:33 AM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, September 27, 2025 -

A traffic collision on State Route 60 West in Diamond Bar, CA, has caused significant traffic disruptions today. The incident, which occurred in the early morning hours, involved three vehicles: a black four-door sedan that collided with a concrete divider and a black Mustang involved in a vehicle-versus-concrete-divider incident.

The collision resulted in the blockage of the High Occupancy Vehicle (HOV) lane, leading to debris in adjacent lanes. This has created noticeable delays and congestion for motorists, particularly affecting the morning commute. Traffic management units were dispatched to the scene to control traffic flow and assist with the cleanup.

A tow truck was called to remove the vehicles involved in the traffic incident. Emergency responders worked diligently to clear the area and restore normal traffic conditions. As cleanup efforts continue, drivers are advised to seek alternate routes to avoid the affected area and anticipate potential backups.

Motorists should remain cautious and aware of changing traffic conditions as the situation develops. Updates will be provided as the area is cleared and traffic resumes its normal flow.

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