One person has been taken to hospital following a collision at the Manorcunningham roundabout this morning.
It is understood their injuries are not life threatening and they have been taken to Letterkenny General Hospital.
Three cars were involved in the incident.
The scene if now being cleared and the road is open after long traffic delays were experienced.
Motorists are also being advised that there are areas of lingering fog in a number of locations in the county due to the mild weather and caution is advised.