The road between Ramelton and Rathmullan will be blocked for three days.
The closure is to facilitate essential maintenance works from Monday, March 23 until Wednesday, March 25, from 7:30am to 6pm.
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The R-247-1/2/3 will be blocked from Ramelton Bridge to Ray Bridge with diversions in place via the Moss Road L-1392-3/2/1 and the Milford to Ramelton Road R-245-9/10.
Motorists are advised to allow extra time for their journeys during these times.
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