Emergency services have cleared a collision on the N20 about halfway between Mallow and Blarney.
The incident between two vehicles occurred at Grenagh before 7am this morning.
Fire Services were alerted at 6:43am by the ambulance service and units from Mallow, Ballyvolane and Cork city attended the scene.
They have now returned to base.
It's not yet known if there were any injuries sustained by occupants of the vehicles in the collision.
Motorists are being reminded to take care as a status yellow rainfall warning remains in place for Cork until 6am on Friday morning.