Major Traffic Disruption from I-680 Collision

Traffic Collision on Interstate 680 South in San Ramon Causes Delays Today

📍 San Ramon, CA

📅 Published: August 21, 2025 at 02:31 AM

🔄 Updated: August 21, 2025 at 03:01 AM

Map showing the location of the accident in San Ramon, CA
San Ramon, August 21, 2025 -

A traffic collision occurred today on Interstate 680 South near the Bollinger Canyon East On-Ramp in San Ramon, CA, involving three vehicles. The incident happened in the early morning hours and resulted in significant traffic disruptions in the area.

The vehicles involved included a black Honda with visible front and rear damage, a small black sedan positioned perpendicular to the roadway, and an unidentified vehicle. One of the vehicles ended up in the bushes, while another caught fire, prompting an emergency response to extinguish the flames.

As a result of the traffic incident, multiple units were dispatched to manage the scene and ensure safety. Lane closures were implemented, leading to delays and congestion for drivers in the vicinity. Tow trucks were requested to remove the damaged vehicles, further impacting traffic flow.

Motorists are advised to seek alternate routes to avoid potential backups as emergency crews work to clear the area. This traffic collision serves as a reminder for drivers to remain vigilant, especially in construction zones, to help prevent similar incidents in the future.

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