Grey County OPP tell us a man involved in a serious motorcycle accident is now in stable condition at Hamilton General Hospital.

Police say the 58-year old Sarnia man lost control of his motorcycle on Wednesday on Grey Road 4 between Sideroads 30 and 35.

Police say he was thrown off his bike after hitting the gravel shoulder.
 
The man was taken to Markdale Hospital with serious injuries but was then air lifted to Hamilton.

The OPP Technical Traffic Collision Investigating Unit closed Grey Road 4 for about five hours on Wednesday.