A rollover on Interstate 84 sends two women to the hospital.
It happened about 3:30 pm Thursday near the Stage Stop rest area southeast of Boise.
Acoording to the Idaho State Police, a rear wheel cover came off the vehicle and somehow caused the driver to lose control.
One witness told Ada County dispatchers the truck rolled at least three times.
Both the driver and the passenger were wearing seat belts.
The extent of their injuries was not immediately available.
Their names were not released.
Several soldiers stationed at nearby Gowen Field saw the rollover and administered first aid to the occupants until emergency crews arrived.
Idaho State Police troopers are contuinuing their investigation.