Cristina Rodriguez Collado, 39, was headed west on Interstate 84 about a mile east of the Idaho-Oregon border when she swerved into the median and rolled her 2002 Toyota Echo, Idaho State Police said.
The accident took place at 6:54 p.m. Monday. Troopers said Rodriguez, from Kennewick, Wash., was not wearing a seatbelt.
She was taken by ambulance to St. Luke’s Fruitland for treatment.
The left lane of westbound I-84 was closed for about 75 minutes.
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The crash is under investigation by the ISP.