Major Traffic Collision Disrupts Morning Commute

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

📍 Diamond Bar, CA

📅 Published: September 24, 2025 at 11:36 AM

🔄 Updated: September 24, 2025 at 12:30 PM

Map showing the location of the accident in Diamond Bar, CA
Diamond Bar, September 24, 2025 -

A significant traffic collision occurred today on State Route 60 East near Grand Avenue in Diamond Bar, CA, causing major disruptions during the morning commute. The incident involved three vehicles: an overturned vehicle, a solo vehicle that rolled over, and a gold SUV that came to rest on its wheels, blocking the middle lanes of the highway.

Emergency services responded promptly to manage the scene and control traffic. The collision initially resulted in lane blockages and delays, leading to congestion for drivers in the area. A tow truck was requested to assist with the removal of the vehicles, and a SigAlert was issued, indicating that the middle lanes would be blocked for approximately 45 minutes due to debris on the roadway.

As emergency crews worked to clear the scene, traffic began to back up significantly on State Route 60 East. By around noon, the roadway was cleared, and the SigAlert was canceled, allowing traffic to resume its normal flow. However, drivers may still experience residual delays as the area returns to typical traffic conditions.

This traffic incident highlights the importance of safe driving practices and the potential for unexpected collisions on busy highways.

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.