M12 Northbound carriageway only, closed for general maintenance. The southbound carriageway (towards Craigavon) will remain open to traffic. There will be lane 2 closures on approach to the M12 roundabout from the M1
Traffic is being diverted via A3 Kernan Loop, A3 Northway, Highfield Road, A27 Mandeville Road, A3 Lake Road, Eastway, Silverwood Road, Kiln Road, Lough Road, M1.