Major Traffic Jam on US-101 After Collision

Traffic Collision on US-101 in San Francisco Causes Delays Today

📍 San Francisco, CA

📅 Published: October 4, 2025 at 04:35 PM

Map showing the location of the accident in San Francisco, CA
San Francisco, October 4, 2025 -

A traffic collision on southbound US-101 in San Francisco, CA, has caused significant delays today. The incident occurred around 3:45 PM and involved three vehicles, including a red Ford truck. As a result of the crash, lane #1 is blocked, leading to congestion and backups for drivers in the area.

Emergency services responded quickly, deploying multiple units to manage the scene and facilitate traffic flow. The California Highway Patrol issued a signal alert to inform motorists of the ongoing delays. Crews worked diligently to clear the roadway and restore normal traffic conditions.

Motorists are advised to seek alternative routes to avoid the affected area, as the traffic incident is expected to cause prolonged delays during the afternoon commute. The situation remains dynamic, and updates will be provided as emergency responders continue their efforts.

Drivers are reminded to exercise caution and remain attentive while navigating through the area. Staying informed about traffic conditions can help minimize travel disruptions during peak hours.

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