Major Traffic Disruption on I-5 After Collision

Traffic Collision on Interstate 5 in Castaic Causes Significant Delays Today

📍 Castaic, CA

📅 Published: August 14, 2025 at 05:00 AM

🔄 Updated: August 14, 2025 at 10:00 AM

Map showing the location of the accident in Castaic, CA
Castaic, August 14, 2025 -

A significant traffic incident occurred today on Interstate 5 South near the Templin Highway off-ramp in Castaic, CA, involving one semi tanker. The collision was reported early in the morning around 4:06 AM, leading to the vehicle blocking the middle lanes of the highway.

As a result, the California Highway Patrol (CHP) quickly established hard closures for the #3 and #4 lanes, causing considerable traffic disruptions for morning commuters. Emergency services responded promptly, with a tow truck requested to assist with the removal of the semi tanker and debris scattered across the roadway.

By 4:39 AM, the CHP issued a signal alert, estimating that the affected lanes would remain closed for approximately two hours. Traffic management crews worked diligently to control the scene, and by 6:22 AM, only the #1 lane was open, leading to significant backup and delays for drivers heading southbound.

By 9:36 AM, the roadway was cleared, and normal traffic flow was expected to resume. Motorists are advised to stay updated on traffic conditions as the aftermath of the incident may still affect travel times.

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