On Monday, April 21, 2025, at approximately 5:55 a.m., the Livermore Police Department received multiple reports of a major injury collision on Isabel Avenue between Vallecitos Road and Kalthoff Common.

When officers arrived, they discovered two vehicles - a Ram pickup truck and a Honda - had collided just north of the intersection at Kalthoff Common.

Despite life-saving efforts by fire paramedics, both drivers were pronounced deceased at the scene. The victims have been identified as a 49-year-old man from Tracy, who was driving the Ram pickup, and a 23-year-old man from Manteca, who was driving the Honda.

The Alameda County Coroner’s Bureau will release the names of the deceased once notifications have been made to their families.

The cause of the crash remains under investigation. The roadway was closed for several hours to allow for a thorough investigation and for Caltrans crews to clear the scene.

Anyone with additional information about this incident is encouraged to contact the Livermore Police Department’s Traffic Unit at (925) 371-4850.