ON 07/06/2014 AT APPROXIMATELY 1750 HOURS, PARTY-1 (P-1) (GOMEZ) WAS DRIVING VEHICLE-1 (V-1) (TOYOTA) SOUTHBOUND ON SIX MILE ROAD, NEAR IRONSTONE VINEYARDS, AT AN UNKNOWN RATE OF SPEED.  FOR UNKNOWN REASONS P-1 WAS UNABLE TO MAINTAIN CONTROL OF V-1.  V-1 LEFT THE ROADWAY, OVERTURNED, AND LANDED ON ITS ROOF.  BOTH PARTIES REMAINED IN THE VEHICLE UNTIL EMERGENCY PERSONNEL ARRIVED ON SCENE AND ASSISTED IN EXTRICATING THEM FROM THE VEHICLE.  PASSENGER-LANDERS SUFFERED MAJOR INJURIES AS A RESULT OF THIS COLLISION, AND WAS TRANSPORTED TO MARK TWAIN MEDICAL CENTER FOR TREATMENT.

AFTER BEING EVALUATED, P-1 WAS PLACED UNDER ARREST FOR DRIVING UNDER THE INFLUENCE - CAUSING GROSS BODILY INJURY.  SHE WAS MEDICALLY CLEARED FOR INCARCERATION AND SUBSEQUENTLY BOOKED AT CALAVERAS COUNTY JAIL.