Two people are dead in a Saturday morning vehicle crash on Highway 4 in Brentwood according to the Contra Costa County Fire Protection District. The crash was first reported on eastbound Highway 4 near Lone Tree at the bypass around 4:42 am which shut down a portion of Highway 4 to allow crews to work the scene. Upon arrival, crews located two vehicles with major damage and off the roadway. Both occupants needed extrication.