Altadena, CA – Multi-Vehicle Crash on I-5 S/W Alameda Ave, Injuries Reported

Altadena, CA (December 31, 2025) – A three-vehicle crash on southbound I-5 near W Alameda Avenue blocked the HOV lane and left several people injured on Wednesday afternoon. CHP reported that a Chevrolet, Tesla, and Toyota Sienna were involved in the collision. The crash occurred after one vehicle was reportedly involved in a hit-and-run and was subsequently moved to the shoulder.

Two females and one male from a separate vehicle were involved, and all victims were evaluated on-site, with minor injuries reported. Tow trucks were dispatched to remove the abandoned and damaged vehicles, and lanes remained partially blocked during cleanup. Police are actively investigating the circumstances that led to the collision, including vehicle positions and eyewitness accounts. Motorists were urged to avoid the area due to traffic congestion.

Our thoughts are with the injured parties, and we hope they recover fully.

If you or someone you know sustained injuries in this crash, reach out to our car accident lawyers at (888) 511-4558 for assistance navigating the legal process.