Injuries are described as life-threatening following a motorcycle crash near Dresden.
Chatham-Kent police were called to Croton Line just after 10 p.m. Monday and found a motorcycle in the ditch but the driver was gone.
Officers learned the male driver was picked up and taken to hospital by friends.
Police say the 25-year old was then transported to a Windsor hospital.
Anyone with information about the crash is asked to contact the Chatham-Kent Police Traffic Unit.