A 48 year old Polk County man was seriously injured when his motorcycle crashed around 10 p.m. Monday night at the intersection of Lowery and Prospect Road near Aragon. Redmond EMS and police units responded to reports of an accident with a man lying in the road. The accident was under investigation by the Georgia State Patrol. Troopers determined that the motorcycle approached the intersection at a high rate speed and was unable to stop. The vehicle skidded into the intersection at which point it began to flip multiple times. The driver was then thrown off of the motorcycle while it continued through a nearby fence. The man was flown by a Life Flight helicopter to a hospital in Atlanta. His current condition is unknown at this time.