A 62-year-old male was killed in a crash in Powder River County near Boyes on Saturday around 8:46 a.m.
According to the Montana Highway Patrol, the man was driving a freightliner truck with a utility trailer westbound on U.S. Highway 212.
The truck drifted off the road to the right, struck a guardrail and re-entered the road before drifting off the road again.
The truck continued on the right shoulder, striking two delineator posts before coming to a stop.
The man collapsed while going to the trooper's vehicle.
Medical aid was given, but the man succumbed to his injuries.
