Major Traffic Disruption on State Route 20

Traffic Collision on State Route 20 in Upper Lake Causes Traffic Disruptions Today

📍 Upper Lake, CA

📅 Published: August 22, 2025 at 06:10 PM

Map showing the location of the accident in Upper Lake, CA
Upper Lake, August 22, 2025 -

A traffic collision on State Route 20 near Blue Lakes Road in Upper Lake, CA, caused significant traffic disruptions today. The incident occurred around 4:53 PM and involved two vehicles: an older white Chevrolet 2500 that impacted the embankment and a white GMC truck blocking the lanes.

As a result of the collision, traffic was severely impacted, leading to lane closures and detours for drivers in the area. Emergency services were quickly dispatched to manage the situation and clear the roadway. Traffic control units were assigned to direct vehicles around the blocked lanes, helping to alleviate congestion for those traveling through the area.

Motorists should expect delays as the scene is cleared and traffic resumes normal flow. The presence of the GMC truck obstructing the lanes contributed to the backup, making it essential for drivers to exercise caution and seek alternate routes if possible.

This traffic incident serves as a reminder for drivers to remain vigilant and aware of their surroundings, especially in areas prone to accidents. Authorities are working diligently to restore traffic conditions to normal as quickly as possible.

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