Major Traffic Jam After Collision on SR 99

Traffic Collision on State Route 99 in Modesto Causes Traffic Congestion Today

📍 Modesto, CA

📅 Published: September 25, 2025 at 09:32 AM

Map showing the location of the accident in Modesto, CA
Modesto, September 25, 2025 -

A traffic collision on State Route 99 North at South 9th Street in Modesto, CA, has resulted in significant traffic congestion this morning. The incident occurred around 7:57 AM and involved two vehicles, with one reportedly leaving the roadway and another involved on the right-hand side.

Debris was scattered across the roadway, prompting lane restrictions and delays for morning commuters. Multiple emergency units responded to the scene to manage traffic and ensure safety. A tow truck was called to assist, indicating that at least one vehicle was not drivable and required towing.

As a result of the collision, traffic flow has been impacted, with reports of backups and congestion in the area. Emergency responders worked efficiently to control the situation and clear the roadway, allowing for the gradual restoration of normal traffic patterns.

Motorists are advised to expect delays and consider alternate routes to avoid the affected area. This traffic incident serves as a reminder of the importance of safe driving practices and the potential for unexpected disruptions on busy highways. Updates will be provided as the situation develops and traffic conditions improve.

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