Idaho State Police have confirmed a man in his early 20s was killed in the accident. The man, whose name has not yet been released, was driving the tractor.
ISP Sgt. Marvin Crain said the semi, which was loaded with potatoes, slammed into the tractor from behind. More details are forthcoming.
The driver of the semi was uninjured, and no one was transported by air ambulance.
ROBERTS — A medical helicopter was dispatched to the scene of a crash on Interstate 15 at milepost 140 north of Roberts.
The wreck involves a semi-truck and a tractor in the southbound lane. North and southbound traffic is reduced to one lane, and Idaho State Police is encouraging motorists to find an alternate route if possible.
ISP, Roberts Fire Department and Idaho Falls Fire Department responded around 4:30 p.m. An air ambulance arrived on the scene at about 5 p.m. and left 15 minutes later.
It is unknown if the air ambulance left with a patient.
Traffic is backed up at least a mile.
At least one man was seriously injured in the accident.
EastIdahoNews.com has a reporter on the scene and will update this story as we receive new details.