Major Traffic Disruption on I-280 South Today

Traffic Collision on Interstate 280 South in San Francisco Causes Delays Today

📍 San Francisco, CA

📅 Published: September 28, 2025 at 06:34 PM

🔄 Updated: September 28, 2025 at 07:05 PM

Map showing the location of the accident in San Francisco, CA
San Francisco, September 28, 2025 -

A traffic collision on Interstate 280 South in San Francisco, CA, has caused significant traffic disruptions today. The incident occurred around 6:10 PM and involved two vehicles, including a white SUV that was found overturned. This collision has resulted in lane closures on the southbound side of the highway, particularly north of the Mission Street off-ramp, leading to traffic delays and congestion in the area.

Multiple units from the California Highway Patrol were dispatched to the scene to manage traffic flow and ensure safety. Witnesses reported that the white SUV flipped over, and another unknown vehicle was involved in the incident. As emergency responders worked to clear the scene, the off-ramp at Mission Street was closed, further contributing to the traffic backup.

Motorists are advised to seek alternate routes to avoid delays as the situation develops. The CHP is actively controlling the traffic situation, and drivers should expect slow-moving traffic in the vicinity. The overturned vehicle is expected to be removed soon, but until then, significant delays are likely for those traveling southbound on Interstate 280.

Stay tuned for updates on this traffic incident and plan your travels accordingly to minimize disruptions during the evening commute.

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