Solo Vehicle Collision Disrupts Traffic on Route 4

Traffic Collision on State Route 4 East in Antioch Causes Temporary Lane Closures Today

📍 Antioch, CA

📅 Published: August 17, 2025 at 04:46 AM

Map showing the location of the accident in Antioch, CA
Antioch, August 17, 2025 -

A traffic collision occurred today on State Route 4 East near Contra Loma Boulevard in Antioch, CA, impacting morning traffic flow. The incident, involving a solo vehicle, was first reported at approximately 3:09 AM when the vehicle was blocking lane #1. Initial observations indicated that the vehicle had grazed the center divider before coming to a stop.

Emergency response units arrived promptly to manage the scene and control traffic. By 3:44 AM, all lanes were temporarily blocked, leading to potential delays for drivers in the area. Traffic management efforts were initiated quickly, and by 4:26 AM, all lanes were reopened, allowing vehicles to resume normal flow.

While the traffic incident caused some backup during the early morning commute, the swift response from emergency personnel helped minimize congestion. Motorists traveling through Antioch, CA, are advised to remain vigilant and aware of their surroundings as they navigate the area following this traffic collision.

For those using State Route 4, staying informed about traffic conditions can help avoid unexpected delays. The California Highway Patrol continues to monitor the situation to ensure safe passage for all motorists.

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