Traffic Collision Disrupts SR-57 in San Dimas

Traffic Collision on State Route 57 in San Dimas Causes Delays Today

📍 San Dimas, CA

📅 Published: September 8, 2025 at 03:31 AM

🔄 Updated: September 8, 2025 at 05:31 AM

Map showing the location of the accident in San Dimas, CA
San Dimas, September 8, 2025 -

A traffic collision involving two vehicles occurred today on the northbound lanes of State Route 57 (SR-57) near Via Verde in San Dimas, CA. The incident was reported at approximately 2:16 AM, blocking the slow lane and causing traffic disruptions during the early morning hours.

Emergency response teams quickly arrived at the scene to secure the area and manage traffic flow. One vehicle was moved to the roadside and towed away by a responding tow truck. Multiple units were on-site to direct traffic and mitigate congestion, helping to ensure the safety of all motorists.

As the situation developed, responders worked efficiently to clear the roadway and restore normal traffic conditions. By approximately 3:21 AM, efforts were underway to manage the traffic incident effectively, although the slow lane remained impacted for some time.

Motorists traveling on SR-57 should remain cautious and expect potential delays as cleanup efforts continued. This traffic collision highlights the importance of staying alert on the road, especially during unexpected incidents.

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