Major Collision Disrupts Morning Commute on US 101

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

📍 San Francisco, CA

📅 Published: July 22, 2025 at 09:35 AM

🔄 Updated: July 22, 2025 at 10:31 AM

Map showing the location of the accident in San Francisco, CA
San Francisco, July 22, 2025 -

A traffic collision involving two vehicles occurred today on the southbound lanes of US Highway 101 (US 101) at the interchange with Interstate 280 South in San Francisco, CA. The incident took place during the morning commute, leading to significant traffic delays and congestion in the area.

Emergency services promptly responded to the scene, setting up sign alerts to manage traffic flow and control the situation. Initially, lanes one and two were blocked, causing backups for motorists navigating this busy corridor. One vehicle was reported to have overturned, complicating the traffic incident further.

A tow truck was dispatched to assist with the removal of the vehicles involved in the crash. The roadway clearance process began, and one vehicle was moved off to an amenity at Putnam. By 9:34 AM, lane one was reopened, but lane two remained closed for additional clearance efforts.

A sigalert was issued to inform drivers of the ongoing traffic incident and potential delays. Fortunately, by 9:46 AM, the roadway was cleared, and the sigalert was canceled, allowing traffic to resume normal flow.

Motorists are advised to remain cautious and expect residual delays as traffic returns to regular conditions following this morning's traffic collision.

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