SCHEDULED ROADWORK Maintenance 11:39 am – NorthConnex Tunnel Wahroonga to Carlingford between M1 Pacific Motorway and M2 Motorway Dual tunnel closure. Both directions will be closed on Sat 13, Thur 18 and 25 Aug. Diversions:Pennant Hills Rd. Use diversions. Allow extra travel time; Check signage. STARTS: Thursday 9:30pm. ENDS: 5:00am. Last checked at 5:10am.