Major Traffic Disruption on I-680 North Today

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

📍 San Ramon, CA

📅 Published: September 20, 2025 at 05:05 PM

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

A traffic collision on Interstate 680 North in San Ramon, CA, caused significant disruptions to traffic flow today during the afternoon commute. The incident, involving two vehicles—a motorcycle and another dark-colored vehicle—was reported around 3:44 PM.

Emergency services responded promptly to the scene, where multiple lanes were blocked, leading to noticeable congestion for drivers in the area. The motorcycle was positioned in the slow lane at the time of the collision, while the other vehicle continued without stopping. This situation resulted in a backup for motorists traveling through this busy corridor.

Traffic control units were deployed to manage the scene and ensure the safety of all involved. A tow truck was called to assist with the motorcycle, which was left inoperable on the roadway.

Witnesses noted that the motorcycle was traveling at a high speed prior to the traffic incident, contributing to the chaotic scene. The collision led to significant delays on Interstate 680 North, affecting travel times during peak afternoon hours.

Motorists are advised to seek alternate routes while crews work to clear the area and restore normal traffic conditions.

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