Gardaí are investigating a road traffic collision involving a car and a truck.
The collision occurred on the N24 near Mooncoin at approximately 3pm. Gardai initially reported that a pedestrian was involved, but later clarified that was not the case.
A woman, aged in her 70s, was taken by ambulance to Waterford University Hospital with what is understood to be serious injuries.
The road was closed for a technical examination.
Investigations are ongoing.