Major Collision Blocks Traffic in San Francisco

Traffic Collision on U.S. Highway 101 in San Francisco Causes Major Delays Today

📍 San Francisco, CA

📅 Published: July 14, 2025 at 07:07 AM

🔄 Updated: July 14, 2025 at 08:02 AM

Map showing the location of the accident in San Francisco, CA
San Francisco, July 14, 2025 -

A significant traffic collision occurred today involving three vehicles—a gray Mercedes, a semi truck, and a nitrogen tanker truck—at the interchange of U.S. Highway 101 South and Interstate 80 East in San Francisco, CA. The incident was reported at approximately 6:11 AM, leading to both lanes being blocked and causing substantial traffic backup during the morning commute.

Emergency services promptly responded to the scene, dispatching multiple units to manage traffic and clear the roadway. By 6:23 AM, both lanes were confirmed blocked, resulting in significant delays and congestion for motorists. Traffic was diverted onto southbound U.S. Highway 101 as crews worked to address the situation.

Tow trucks were called to assist in the removal of the vehicles involved in the traffic incident. By 6:30 AM, a tow truck arrived to facilitate the clearing process. Traffic management efforts included opening one lane while the other remained closed to ensure safety and efficiency during the cleanup.

Motorists are advised to expect continued delays in the area as emergency crews work to restore normal traffic flow. Drivers are encouraged to consider alternative routes to avoid congestion and minimize travel time.

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