By Crash News Writer 
Santa Clarita, CA (December 19, 2025) — Early Thursday morning, a serious collision involving three semi-trucks led to the shutdown of northbound lanes on the 5 Freeway in Santa Clarita near Magic Mountain Parkway.
According to the California Highway Patrol, the crash occurred around 1 a.m. on December 18 and caused significant traffic delays in the area. Emergency responders arrived at the scene to find multiple damaged big rigs blocking lanes, with debris scattered across the freeway. Two individuals were transported to nearby hospitals for treatment, though their conditions have not been officially disclosed.
Video footage from the scene showed extensive damage to the vehicles involved. While some lanes reopened by 4:30 a.m., CHP continues to investigate the cause of the crash. Authorities urge motorists to drive cautiously and avoid the area if possible.
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PLEASE TAKE NOTICE
Initial details in this report are based on information released by authorities and may change as the investigation continues. To learn more about procedures following serious roadway incidents, check out the frequently asked questions in California.
Officials have not yet released the names of those involved pending identification and notification of families.
Additional updates, including the full accident investigation and any legal actions, will be reported by CHP once available.
Stay informed about traffic disruptions and accident-related road closures by checking regional updates. For more help and support after a crash, explore accident resources in California.
This article is intended for informational purposes and does not constitute legal or medical advice. For more about how our content is handled, please see our disclaimer.
If you or a loved one has been injured, call a California personal injury lawyer today to discuss your legal rights and next steps.