Major Collision Disrupts Traffic on State Route 57

Traffic Collision on State Route 57 in Diamond Bar Causes Lane Closures Today

📍 Diamond Bar, CA

📅 Published: April 28, 2025 at 07:02 PM

🔄 Updated: April 28, 2025 at 08:03 PM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, April 28, 2025 -

A traffic collision involving three vehicles occurred today on the northbound lanes of State Route 57 near Pathfinder Road in Diamond Bar, CA. The incident involved a motorcycle, a van, and a gray Tesla sedan, which resulted in lane blockages during the evening commute.

Emergency response teams were dispatched promptly to manage the scene and facilitate traffic flow. As a result of the collision, multiple lanes were closed, leading to significant delays and congestion for motorists traveling in the area. A tow truck was called to assist in clearing the vehicles involved, and emergency units worked diligently to restore normal traffic conditions.

Motorists are advised to expect backups and delays on State Route 57 as crews continue to manage the aftermath of the collision. The California Highway Patrol is on-site to ensure safety and assist with traffic management. Drivers are encouraged to seek alternative routes if possible to avoid further delays.

As the situation develops, updates will be provided to keep the public informed about traffic conditions. Commuters are reminded to exercise caution when approaching the area and to remain alert for changing traffic patterns.

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