Multi-Vehicle Collision Disrupts Diamond Bar Commute

Traffic Collision on State Route 57 South in Diamond Bar Causes Delays Today

📍 Diamond Bar, CA

📅 Published: May 17, 2025 at 12:34 PM

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

A traffic collision on State Route 57 South in Diamond Bar, CA, caused temporary lane closures during the morning commute today. The incident, which involved five vehicles—a white Toyota, a white sedan, a white pickup truck, a small gray sedan, and a black Kia—was reported at approximately 11:48 AM.

Initially, the collision blocked multiple lanes, leading to significant traffic congestion and delays for drivers in the area. Emergency response teams, including several California Highway Patrol units, quickly arrived to manage traffic and ensure safety at the scene.

By 12:19 PM, all lanes were reopened, allowing traffic to resume its normal flow. However, the black Kia required a tow due to damage sustained during the incident. The swift response from emergency services helped to minimize the impact on the roadway and clear the scene efficiently.

Motorists are advised to remain cautious while traveling through Diamond Bar, CA, as residual traffic may still be present. This incident highlights the importance of safe driving practices to prevent accidents and ensure the safety of all road users.

For those navigating State Route 57, staying informed about traffic conditions can help avoid delays and ensure a smoother journey.

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