A Fairfield man suffered possible life-threatening injuries in a motorcycle crash at the intersection of U.S. Route 2 and Ell Hill Road in Palmyra on Wednesday, police said.

Chad Wynne, 36, was driving east on Route 2 at around 10:45 a.m. when his motorcycle collided with a Ford Explorer driven by David Roundy, 75, according to a news release from Chief Deputy James Ross of the Somerset County Sheriff’s Office.

The accident occurred after Roundy entered the intersection after having stopped at a stop sign, according to the release. The cause of the accident is unknown and remains under investigation.

The Ell Hill intersection has been the site of numerous crashes over the years, according to the release.

Wynne, who was not wearing a helmet, was taken by ambulance to Eastern Maine Medical Center in Bangor.

The motorcycle, a 1999 FXDI Harley Davidson, was destroyed in the crash. There was minor damage to the Explorer, the release said.

Speed and alcohol are not considered factors in the accident. Maine State Police and the Kennebec County Sheriff’s Office also responded to the scene.