The Carn roundabout will be closed to traffic from tomorrow (Saturday) at 2pm until Monday morning at 6am.
The closure will also be on force the following weekend, from Saturday, September 7 from 2pm to Monday, September 9 to 6am.
Seagoe Road traffic is to be Seagoe Road, Northway and A3 Kernan Loop.
Carn Road traffic is to be diverted by Carn Road, Drumnagoon Road, Corbet Road, Kilvergan Road, Ballynamoney Road, Eastway, A3 Lake Road, A3 Central Way, A3 Northway and A3 Kernan Loop.
The closure will be in place to allow resurfacing to take place.
For more information contact David McKelvey , Roads Service consultancy, Craigavon Section Office, Carn or by ringing 028 38 338 521.