Traffic Collision Disrupts US 101 Onramp

Traffic Collision on US 101 in Corte Madera Causes Delays Today

📍 Corte Madera, CA

📅 Published: September 8, 2025 at 11:31 PM

Map showing the location of the accident in Corte Madera, CA
Corte Madera, September 8, 2025 -

A traffic collision on the onramp to northbound US 101 in Corte Madera, CA, caused notable traffic disruptions today. The incident, involving a single dark-colored Jeep Wrangler, occurred around 11:02 PM and led to lane closures on the onramp as emergency services responded to the scene.

The Jeep reportedly ran off the roadway into nearby brush, prompting a swift response from emergency personnel to manage traffic and secure the area. With rain beginning shortly after the collision, conditions became increasingly hazardous for drivers.

To facilitate the removal of the Jeep, which was on its side and approximately 20 feet off the roadway, a tow truck was requested. The onramp to northbound US 101 was closed until the vehicle could be safely loaded and removed from the area. This closure resulted in traffic congestion and delays for motorists attempting to access the highway.

Drivers are advised to seek alternative routes and remain cautious while navigating the area, as conditions may still be affected by the ongoing weather changes. Updates regarding the reopening of the onramp and any further developments related to this traffic incident will be provided as they become available.

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