Rockingham County Virginia State Police responded to car crash at 10:40 p.m. Monday night, near the intersection of Spotswood Trail and Cross Keys road.
Police say William Summerfield II of Penn Laird, was driving eastbound on US 33 when he ran off the road and flipped over. The trooper on the scene says Summerfield was thrown out of the sunroof. Police say it appears, he was not wearing his seat belt.
Police say Summerfield was flown to UVA Medical Center in critical condition.
Police say they do not know if alcohol or speed were a factor in the crash.
The crash remains under investigation.