Major Traffic Disruptions on State Route 4

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

📍 Concord, CA

📅 Published: September 7, 2025 at 01:36 AM

🔄 Updated: September 7, 2025 at 03:01 AM

Map showing the location of the accident in Concord, CA
Concord, September 7, 2025 -

A traffic collision on State Route 4 East at the Willow Pass off-ramp in Concord, CA, has caused significant disruptions to traffic flow today. The incident involved two vehicles, a black Honda and an unknown vehicle, with the Honda sustaining major damage to both the front and rear.

The collision occurred early this morning around 1:00 AM, leading to the blockage of the Willow Pass off-ramp. As a result, drivers experienced delays and congestion in the area. Emergency response units promptly arrived to manage the scene and work towards clearing the roadway.

Traffic operations have been affected, and motorists are advised to expect backups while crews address the situation. The California Highway Patrol is on-site to ensure safety and facilitate the clearing of the traffic incident.

As emergency crews continue their work, drivers are encouraged to seek alternative routes to avoid the affected area. The ongoing response efforts aim to restore normal traffic flow as quickly as possible, but delays may persist throughout the morning.

For those traveling in Concord, CA, it is essential to stay informed about traffic conditions and exercise caution near the Willow Pass off-ramp. The situation remains fluid, and updates will be provided as more information becomes available.

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