A car ended up slamming into an enbankment in a southern Clarion County traffic mishap.     However, the driver of the lone involved vehicle, Maria D Smith of the Sligo area, managed to escape injury in the incident.     The Smith vehicle had been traveling on South Reidsburg Road, in Monroe Township, when the car hit some slush along the edge of the roadway at a sharp curve.     It was then that the vehicle veered off of the road and into that enbankment.     This mishap took place shortly after Two Sunday Afternoon.