Traffic on Interstate 95 backed up from Fairfield to Clinton for hours Sunday after a truck carrying a camper flipped over, blocking both southbound lanes.

Paul Adams, 83, was driving his 2003 Chevy truck hauling the 26-foot trailer about 11 a.m. when he lost control of the vehicle, according to Sgt. Blaine Bronson of the Maine State Police.

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Southbound traffic on Interstate 95 was backed up for miles Sunday from mile 134 in Benton to the Clinton exit following a rollover involving a truck hauling a trailer. David Leaming/Morning Sentinel

A truck and its trailer flipped on I-95 late Sunday morning, backing up southbound traffic for more than four hours. Photo courtesy of Maine State Police

Rescue workers said initial reports indicated the camper began to shimmy left and right, unbalancing the truck.

The truck jackknifed, causing the camper to roll and come off of its frame, Bronson said.

No one was harmed in the accident, which took place around mile marker 134, just before a construction area.

Because the camper lost its wheels in the accident, it was difficult to clear it from the road. Three towing companies worked with police over a four-hour period before finally clearing the roadway shortly after 3 p.m.

Bronson said police are investigating the possibility that a mechanical failure in the trailer’s hitch system caused the accident.