Each accident was a single-vehicle crash where the driver passed away and a passenger was seriously injured. One of the accidents happened near a rest stop at the Utah border, and the other happened north of Boise. Washington Driver Killed in Idaho Rollover Accident Near Utah BorderThe first fatal accident happened just south of the Juniper Eastbound Rest Area near the Utah border. The two emergency vehicles from Utah passed by us, headed towards the crash just a few minutes later. ISP Release Correction to Fatal Boise Area Accident ReportLater on Saturday evening, around 6 PM, Idaho State Police responded to a vehicle accident north of Boise near Banks.