Four-Vehicle Collision Disrupts Afternoon Commute

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

📍 Diamond Bar, CA

📅 Published: August 31, 2025 at 02:04 PM

🔄 Updated: August 31, 2025 at 04:00 PM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, August 31, 2025 -

A traffic collision occurred today on State Route 60 West near Grand Avenue in Diamond Bar, CA, involving four vehicles: a motorcycle, a semi truck, a Chevrolet Suburban, and an SUV. The incident took place during the busy afternoon commute, leading to the closure of the high-occupancy vehicle (HOV) lanes for approximately 30 minutes, resulting in significant delays and congestion in the area.

Emergency response teams were dispatched to manage the scene and ensure the safe removal of the vehicles involved. Multiple units from emergency services arrived promptly to control traffic and oversee the situation. While some vehicles were cleared from the scene, others remained for towing, although specific details on their final disposition were not provided.

By 2:00 PM, all lanes were reopened, allowing traffic to resume normal flow. Motorists traveling through Diamond Bar are advised to remain cautious as residual delays may persist as traffic returns to regular conditions.

This traffic incident highlights the importance of safe driving practices, especially during peak travel times. Drivers are encouraged to stay alert and be mindful of changing road conditions. Stay tuned for further updates on traffic conditions in the area.

Were you or someone you know involved in this accident?

If you would like the full incident log, we can send it to you directly.

Request Full Incident Log

Disclaimer

The content on this website is auto-generated and based on publicly available information. While we strive to provide accurate and timely updates, we cannot guarantee the accuracy, completeness, or reliability of the information presented. This content is for informational purposes only and should not be used as the basis for decision-making. We encourage you to independently verify any facts or details. For the most accurate and up-to-date information, please contact the California Highway Patrol (CHP) directly. The website and its owners are not responsible for any errors, omissions, or actions taken based on the information provided.