Newhall, CA – Injury Multi-Semi Crash on I-5 S/SR-14 Con.

Newhall, CA (February 17, 2026) – A multi-semi collision with injuries occurred on I-5 South at the SR-14 West connector, blocking all lanes for several hours. California Highway Patrol (CHP) and emergency crews responded to the scene, and at least one vehicle was reported leaking fuel. Traffic was temporarily rerouted, and salvage recovery efforts were underway.

Key Details

• February 17 at 8:03 p.m.
• Location: I-5 South at SR-14 West Connector, Newhall, CA
• Vehicles involved: Three semi-trucks, including one jackknifed
• Injuries reported; number of injured not specified
• Fuel leak reported from one semi
• All lanes blocked; SigAlert issued for approximately 4 hours

What We Know So Far

• CHP and Los Angeles Fire Department responded
• Salvage recovery underway with multiple tow trucks
• Truck route hard closure implemented to manage traffic
• Scene access best from Sierra Hwy due to lane blockage

What’s Not Yet Confirmed

• Extent and condition of injured individuals
• Cause of the multi-semi collision
• Estimated time for full reopening of I-5 South

This segment of I-5 serves as a major freight corridor with heavy truck traffic, especially near the SR-14 connector. Accidents here can quickly create long delays, and fuel spills increase the risk of secondary incidents. Drivers are advised to remain alert and follow detour instructions when closures occur.

What to Do Next

1. Move vehicles out of traffic lanes if possible.
2. Remain at the scene and follow CHP or Los Angeles Fire Department instructions.
3. Seek medical care even if injuries appear minor.
4. Request the official accident report when available.

Frequently Asked Questions

Q: How long will lanes be blocked after a multi-semi crash on I-5?

A: Blockages can last several hours depending on vehicle recovery and cleanup, especially if fuel spills are involved.

Q: Who manages traffic during large semi-truck accidents on I-5?

A: CHP coordinates with Caltrans and local fire departments to manage closures and detours.

Q: What should drivers do if they encounter a SigAlert on I-5?

A: Follow posted detours, reduce speed, and stay alert for emergency responders and lane closures.

Source

Read the original coverage here: original report.