FRANKFORT, Maine — Police have identified the 21-year-old man killed Sunday evening in a high-speed, single-vehicle crash on Loggin Road.

Zachary Callahan of Frankfort was pronounced dead at the scene of the accident, Chief Deputy Jeff Trafton of the Waldo County Sheriff’s Office said Tuesday morning.

Callahan had gone to a party Sunday evening, and after some friends dropped him off at his home, he got into his 1997 Mercury Sable and drove off, Trafton said. The chief deputy said the driver was traveling east when it appeared that his passenger-side tire dropped off the pavement and he overcorrected. Callahan veered off the left side of the road, and his car rolled end over end.

“He was ejected at some point,” Trafton said.

While police don’t know exactly how fast Callahan was going, some eyewitnesses reported that the car was driving well over the speed limit, Trafton said.

Fire and rescue crews from Winterport, West Frankfort and Frankfort assisted Deputy Kyle Wasiela of the Waldo County Sheriff’s Office. Callahan died before the rescue workers arrived, police said in a prior news release.

Trafton said that the accident will not be reconstructed, because there will be no prosecution. Police do not yet know if alcohol was a factor in the accident, which remains under investigation.