A serious road traffic collision has occurred overnight Cavan lower near Killgordon
The single vehicle collision happened at approximately 10.30 last night.
The male involved in the collision is said to be in a serious condition in Letterkenny University Hospital
As a result the N15 road between Ballybofey and Killygordon is closed and a technical examination is due to take place later this morning.
Local diversions are in place.
Gardai are appealing for information, anyone who witnessed the crash can contact Ballybofey Garda Station on (074) 913 7740