Major Traffic Jam on US-101 After Collision

Traffic Collision on US-101 in Petaluma Causes Major Delays Today

📍 Petaluma, CA

📅 Published: September 24, 2025 at 02:31 AM

🔄 Updated: September 24, 2025 at 04:00 AM

Map showing the location of the accident in Petaluma, CA
Petaluma, September 24, 2025 -

A significant traffic incident occurred today on northbound US-101 in Petaluma, CA, causing major disruptions during the early morning hours. The collision involved one vehicle, a white Ford van, which sustained visible damage to its right side. As a result of the crash, all lanes on northbound US-101 were blocked, leading to considerable traffic delays and necessitating diversions for motorists in the area.

Emergency response units were quickly dispatched to manage the situation and control traffic flow. Authorities issued a signal alert due to the complete blockage of the highway, advising drivers to avoid the area if possible. Traffic was diverted onto the right-hand shoulder, but congestion remained heavy as crews worked to clear the scene.

The incident was reported at approximately 1:48 AM, and by 2:15 AM, all lanes remained closed while emergency services continued their operations. The Department of Transportation was notified, and updates were provided to keep the public informed about the ongoing traffic conditions.

Motorists are advised to seek alternate routes to avoid delays as cleanup efforts continue. The situation is expected to improve as the response teams work diligently to resolve the traffic incident and restore normal traffic flow on northbound US-101.

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