A temporary road closure will be in place from Monday, January 13.
The L-1915-2 at Drumrooske will be closed from January 13 to January 28.
Traffic travelling to Killymard and beyond will be diverted via the bypass, Doonan Roundabout, the L-1845-4 and the L-1865-2. All heavy goods vehicles will be diverted via N15 and L-1945.
Please allow extra time for your journeys.