Major Traffic Disruptions on State Route 37

Traffic Collision on State Route 37 in Sonoma Causes Delays Today

📍 Sonoma, CA

📅 Published: July 13, 2025 at 07:03 AM

Map showing the location of the accident in Sonoma, CA
Sonoma, July 13, 2025 -

A traffic collision occurred today on State Route 37 (SR 37) at the intersection with State Route 121 (SR 121) in Sonoma, CA, leading to significant traffic disruptions during the morning commute. The incident involved two vehicles: a semi truck and a tow truck that was called to assist at the scene.

The semi truck was initially blocking at least one lane of traffic, resulting in delays and backups for motorists in the area. Emergency services responded quickly, arriving on the scene to manage traffic flow and ensure safety. The tow truck was deployed to help clear the semi truck from the roadway.

As emergency responders worked to control the situation, the semi truck was eventually moved to a wider shoulder area, allowing for some traffic to pass. However, congestion persisted as crews continued to manage the scene.

Motorists were advised to exercise caution while navigating the area, as residual delays were expected to linger during peak travel times. The California Highway Patrol remained on site to oversee the situation and facilitate the safe clearing of the roadway.

By mid-morning, emergency personnel confirmed that traffic was gradually returning to normal as the scene was cleared and all lanes were reopened.

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