A Cedar Valley, Utah County, woman was in serious condition early Thursday in LDS Hospital after being injured in an accident Monday evening along U-73 near Cedar Fort.

Utah Highway Patrol Trooper Ken Colyar said the victim, Sharon Cook, 46, was found unconscious on the southbound lane of U-73.The woman apparently was ejected from an all-terrain vehicle when its tires were punctured by a highway post that had been hit earlier by another vehicle. The accident caused the vehicle to catapult into the air.

Cook was found about 10 feet from the vehicle, which had been traveling about 40 mph. The accident occurred about 5:18 p.m.