GREAT FALLS — A 40-year old man died following a one-vehicle crash in Jefferson County on Friday.
According to the Montana Highway Patrol, the man was northbound on I-15 at about 4:45 p.m. when his vehicle went off the right side of the highway at mile marker 163 near Boulder.
The vehicle crashed into the guardrail, causing the vehicle to overturn.
The driver - the only occupant of the vehicle - sustained critical injuries and was airlifted to St. James hospital in Butte, and later transferred to St. Vincent hospital in Billings.
The MHP says that the man died from his injuries on Sunday.
According to the MHP, the road was dry at the time of the crash, and at this point, there are no indications that impaired driving or speed were factors.
The name of the man has not yet been released.