Major Traffic Collision Causes Road Closures

Traffic Collision on State Route 4 in Brentwood Causes Major Delays Today

📍 Brentwood, CA

📅 Published: May 21, 2025 at 10:32 PM

🔄 Updated: May 22, 2025 at 02:00 AM

Map showing the location of the accident in Brentwood, CA
Brentwood, May 21, 2025 -

A significant traffic collision occurred today at the intersection of State Route 4 West and Balfour Road in Brentwood, CA, involving two vehicles: a grey SUV and a grey sedan. The incident, reported shortly after 10:18 PM, resulted in one vehicle catching fire, creating a hazmat-related threat.

In response to the collision, full road closures were implemented along Balfour Road and State Route 4 in both directions, leading to considerable traffic disruptions. Motorists experienced significant delays and backups as emergency response teams arrived to manage the scene and control traffic flow.

Multiple units were deployed to assist with traffic management, and a signal alert was issued to inform drivers of the hazardous conditions. Authorities advised the public to avoid the area and seek alternate routes to minimize congestion.

As crews worked to extinguish the fire and clear the roadway, the California Department of Transportation (Caltrans) was on-site to support traffic control efforts. The situation remains fluid, and updates will be provided as more information becomes available.

Travelers are encouraged to stay informed and prepared for potential detours as emergency responders work diligently to restore normal traffic conditions.

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