Traffic Collision Causes Major Delays on Route 4

Traffic Collision on State Route 4 East in Martinez Causes Delays Today

📍 Martinez, CA

📅 Published: August 11, 2025 at 11:33 PM

🔄 Updated: August 12, 2025 at 12:04 AM

Map showing the location of the accident in Martinez, CA
Martinez, August 11, 2025 -

A traffic collision on State Route 4 East in Martinez, CA, has caused significant disruptions to traffic flow today. The incident, involving two vehicles—a blue Toyota Highlander and a black SUV, possibly a Mercedes-Benz or Toyota—was reported shortly after 11:19 PM. Initially, all lanes were blocked, leading to considerable delays and congestion for drivers in the area.

Emergency response units were dispatched promptly to manage the scene and facilitate traffic control. As the situation progressed, updates indicated that the right-hand lanes were reopened, allowing some vehicles to pass through. However, the left lanes remained affected, contributing to ongoing backups.

Both vehicles involved in the crash required tow services, indicating the severity of the incident. Motorists are advised to expect residual delays as the scene is cleared and traffic returns to normal.

Drivers traveling through Martinez, CA, on State Route 4 East should remain cautious and be prepared for potential slowdowns as cleanup efforts continue. This traffic incident serves as a reminder for all drivers to stay alert and drive safely, particularly during busy evening hours when road conditions can change rapidly.

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