The main Burnfoot to Buncrana road has now reopened following a fatal collision there yesterday evening.
A man in his 50s died after his motorcycle was involved in a collision with a car at Castlequarter at approximately 5.30pm.
A post mortem examination on his body is also due to be carried out.
With the road now open, all previous traffic diversions have now been lifted.
Donegal Crime Prevention Officer Sgt. Paul Wallace is urging any witnesses or who may have information to come forward: