Six-Vehicle Collision Causes Major Traffic Delays

Traffic Collision on Interstate 680 South in Pleasanton Causes Delays Today

📍 Pleasanton, CA

📅 Published: September 20, 2025 at 12:38 PM

🔄 Updated: September 20, 2025 at 02:03 PM

Map showing the location of the accident in Pleasanton, CA
Pleasanton, September 20, 2025 -

A significant traffic collision occurred today on Interstate 680 South near the Sunol Boulevard off-ramp in Pleasanton, CA, involving six vehicles. The incident, reported around 12:35 PM, included a black Toyota RAV, a white Mazda sedan, a dark gray Mazda SUV, a light green Subaru, a gold SUV, and a silver Nissan Rogue.

The collision caused substantial lane blockages, initially affecting lanes two and three, and later extending to all southbound lanes. Emergency services quickly responded to the scene, managing traffic flow and coordinating the removal of vehicles. Some vehicles were deemed not drivable and required towing.

As the situation unfolded, a tan SUV was reported overturned, further complicating traffic conditions. By approximately 1:46 PM, all southbound lanes were reopened, alleviating the traffic congestion that had developed during the incident.

Motorists traveling through this area during the afternoon commute experienced significant delays and backups due to the traffic incident. The prompt response from emergency units facilitated the efficient clearing of the scene, allowing traffic to resume its normal flow. Drivers are advised to remain cautious in the area as residual congestion may linger following the incident.

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