A Salt Lake woman was killed and her son was injured when their auto overturned 20 miles east of Price, the highway patrol said.

Dead in the accident:Maria Guarjardo, 41.

Guarjardo, the driver, was killed when the car rolled 1 1/2 times on U-6, said Trooper Judy Hamaker.

The victim's son, Joshua, 15, who suffered internal injuries, was in critical condition Friday morning in Castleview Hospital, Price.

The driver's husband, Encarnacion, age unknown, and two other children, J.J., 9, and Pablo, 4, were treated and released.

The family was westbound on the highway at 7:30 a.m. when Maria Guarjardo apparently fell asleep, Hamaker said.