County Rd 41 was closed just after 10 a.m. Wednesday morning due to a serious single motor collision between County Rd 3 (Marlbank Road) and McLaughlin Road in Stone Mills.
The road is expected to be closed for several hours.
Northbound traffic can detour from County Rd 3 back to County Rd 41. Southbound traffic will detour County Rd 4 to Tamworth, south on County Rd 4 to County Rd 14 west back to County Rd 41.