A Fairfield man was killed in a single-vehicle crash Sunday afternoon in West Forks, police said.

David Dubois, 44, was driving north on U.S. Route 201 when the SUV he was driving crossed over into the southbound lane, striking a guardrail and a large boulder, according to a press release from Chief Deputy James Ross of the Somerset County Sheriff’s Office. The accident was reported at 4:10 p.m. about a mile south of Plum Creek Timber Co.’s Marshall Yard Office.

The SUV veered back into the northbound lane and rolled over several times before coming to rest in an upright position in a ditch, the release said.

Dubois was not ejected from the vehicle and was pronounced dead at the scene, the release said. A LifeFlight helicopter was originally called but was canceled a short time later, it said.

The cause of the accident remains under investigation, but alcohol does not appear to have been a factor.

The sheriff’s office was assisted at the scene by members of the West Forks Fire Department, Upper Kennebec Valley Ambulance Service, the Jackman Fire Department and Jackman-Moose River Ambulance Service.

This story will be updated.

Rachel Ohm — 612-2368

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Twitter: @rachel_ohm