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All northbound lanes of the Golden State (5) Freeway were closed at the Magic Mountain Parkway South exit in Santa Clarita, following a collision involving multiple vehicles and two big rigs early Thursday morning, December 18, 2025.
According to the California Highway Patrol, a SigAlert was issued for the full freeway closure, which was expected to remain in effect until approximately 5:00 a.m. CHP advised motorists to avoid the area and use alternate routes while emergency crews responded to the scene.
The cause of the crash is under investigation.
Don’t Know What To Do After An Accident?
Your safety and rights depend on what you do next after an accident. Remember the following steps if you find yourself in one:
- Check yourself for any injuries.
- Stay on the scene, call 9-1-1, and wait for emergency responders.
- Move your vehicle to the road shoulder if safe; turn on hazard lights.
- Fully cooperate with law enforcement and stay until cleared to leave.
- Document the scene and injuries with photos and videos.
- Seek immediate medical attention.
- Contact your insurance company and find a personal injury lawyer for legal advice.
What A Lawyer Can Do For You
Many victims put off calling a lawyer even if they sustain injuries after an accident. However, lawyers can help you in many ways. They can provide you with police reports, CCTV footage, and witness statements to strengthen your case. Your attorney will also negotiate with insurance companies to get you fair compensation. The best part is that they will do all of these things for you at no upfront cost. So if you’re injured in an accident, hire a personal injury attorney to recover medical bills, car repair costs, lost wages, and pain and suffering.
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