ST. CROIX COUNTY, Wis. (WTAQ) - A Minnesota teen was sentenced Monday to 8 years in prison for causing a traffic crash in western Wisconsin that killed 2 people last June. 18-year-old Austin Pederson of Stillwater pleaded guilty in St. Croix County to 2 counts of negligent homicide. 3 other charges were dropped in a plea bargain.

Pederson used to live in Somerset. Authorities said he was driving up to 84 miles an hour in a 55-zone when his car lost control on a curve, went into a ditch, and rolled over several times. It happened last June 1st in the town of Star Prairie.

Daishonna Payne, a 17-year-old student at Somerset High School, was killed along with 26-year-old Alan Alwin of Somerset. Pederson and another passenger were injured. Officers said Pederson had the active ingredient of marijuana in his system about 2 hours after the crash. He must also spend 8 years under extended supervision when his prison time is done.