Major Traffic Jam After Collision on SR-4

Traffic Collision on State Route 4 West in Martinez Causes Significant Delays Today

📍 Martinez, CA

📅 Published: September 17, 2025 at 11:04 AM

Map showing the location of the accident in Martinez, CA
Martinez, September 17, 2025 -

A traffic collision involving two vehicles occurred today on State Route 4 West near the Cummings Skyway On-Ramp in Martinez, CA. The incident took place around 10:10 AM and has led to significant traffic congestion and lane closures in the area, affecting the morning commute for many drivers.

The collision involved a silver Lexus and an unknown vehicle, both reported to have an unknown driveability status. Emergency services quickly arrived at the scene to manage traffic and coordinate the response. Tow units were requested to assist in clearing the vehicles involved in the traffic incident.

As a result of the collision, heavy traffic conditions have been reported, leading to delays and backups for motorists traveling through this section of State Route 4. Authorities are actively controlling traffic flow to ensure safety and facilitate the clearing of the scene.

Motorists are advised to seek alternative routes if possible to avoid the congestion caused by this traffic incident. The California Highway Patrol is on-site to manage the situation and work towards restoring normal traffic conditions as quickly as possible.

Drivers are encouraged to remain cautious and patient while navigating through the affected area. Further updates will be provided as the situation develops.

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