Major Traffic Delays After Collision on SR 4

Traffic Collision on State Route 4 West in Pittsburg Causes Delays Today

📍 Pittsburg, CA

📅 Published: August 31, 2025 at 08:38 PM

🔄 Updated: September 1, 2025 at 12:01 AM

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

A traffic collision on State Route 4 West in Pittsburg, CA, caused significant traffic disruptions today. The incident, reported at approximately 7:58 PM, involved two vehicles: a gray Nissan with major front-end damage and another gray vehicle. One of the vehicles was too damaged to be driven away from the scene.

As emergency response units arrived, traffic was briefly halted in all lanes, leading to delays and congestion in the area. Lanes one and two were closed to facilitate scene management, creating a backup for motorists. Multiple emergency units were deployed to control the situation and ensure safety for all involved.

By 8:47 PM, a tow truck was called to assist with the damaged vehicle, and flares were set up to guide drivers safely around the scene. Traffic conditions remained challenging as crews worked to clear the roadway. Although the roadway was reported to be clearing, motorists were advised to remain cautious and expect residual delays as traffic resumed.

Drivers in the area should plan for potential backups as the aftermath of this traffic incident continues to affect travel on State Route 4 West.

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