A motorcyclist crashed into a parked truck on state route 189 Sunday evening.
According to the Utah Highway Patrol the cyclist was driving southbound around 7:30 pm near Deer Creek Reservoir when they lost control and crashed into two parked trucks located on a pullout to the right.
The rider was thrown from the motorcycle and became pinned under the second truck.
Travelers in the area stopped and helped lift the truck off of the rider. Troopers then initiated CPR.
The rider was wearing a helmet but suffered extremely critical injuries and was flown by helicopter to an area hospital.
Troopers are investigating speed as a factor in the crash.