Waka Kotahi NZ Transport Agency advises of the following closures for motorway improvements. Work delayed by bad weather will be completed at the next available date, prior to Friday, 3 June 2022.Unless otherwise stated, closures start at 9pm and finish at 5am.Northern Motorway (SH1)Southbound lanes between Silverdale off-ramp and Oteha Valley Road on-ramp, 2 JuneSilverdale southbound on-ramp, 2 JuneNorthbound lanes between Greville Road off-ramp and Oteha Valley Road on-ramp, 29 May-2 JuneGreville Road northbound on-ramp, 29 May-2 JuneSouthbound lanes between Greville Road off-ramp and Upper Harbour Highway on-ramp, 29 May-1 JuneGreville Road southbound on-ramp, 29 May-1 JuneNorthcote Road northbound on-ramp, 30-31 MayCentral Motorway Junction (CMJ)Southbound lanes between Fanshawe Street off-ramp and Symonds Street on-ramp, 30 May (approx. 10:00pm to 5:00am)Hobson Street southbound on-ramp, 30 MayFanshawe Street northbound on-ramp, 30 May-1 June (approx. 11:00pm to 5:00am)Southern Motorway (SH1)Mt Wellington Highway southbound on-ramp, 1-2 JuneNorthbound lanes between Princes Street off-ramp and Mt Wellington Highway on-ramp, 29 May (approx. 10:00pm to 5:00am)Princes Street northbound on-ramp, 29 MayEast Tamaki Road northbound on-ramp, 30-31 MayEast Tamaki Road northbound off-ramp, 30-31 MayTe Irirangi Drive northbound on-ramp, 29 MaySouthbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 29 May-2 JunePapakura southbound on-ramp, 29 May-2 JuneNorthbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 27 May (approx. 10:00pm to 5:00am)Drury/SH22 northbound on-ramp, 27 May (approx. 10:00pm to 5:00am)Northbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 29 May-2 JuneDrury/SH22 northbound on-ramp, 29 May-2 JuneNorthbound lanes between Mill Road off-ramp and Ramarama on-ramp, 31 May-2 JuneMill Road northbound on-ramp, 31 May-2 JuneSouthbound lanes between Mill Road off-ramp and Beaver Road on-ramp, 29 May-2 JuneMill Road southbound on-ramp, 29 May-2 JunePokeno northbound off-ramp, 2 JuneSouthbound lanes between Mercer off-ramp and Oram Road, 29-31 May (approx. 11:00pm to 5:00am)Mercer southbound on-ramp, 29-31 May (approx. 11:00pm to 5:00am)Te Kauwhata southbound off-ramp, 29 MayNorthwestern Motorway (SH16)Eastbound lanes between St Lukes Road off-ramp and Nelson Street on-ramp, 30 May (approx. 10:30pm to 5:00am)St Lukes Road eastbound on-ramp, 30 MaySH16 eastbound to SH1 northbound link, 30 May (approx. 10:30pm to 5:00am)SH16 eastbound to SH1 southbound link, 30 May (approx. 10:30pm to 5:00am)SH 16 eastbound to SH 16 (Port) link, 30 May (approx. 10:30pm to 5:00am)Rosebank Road northbound off-ramp, 29-31 MayTe Atatu southbound off-ramp, 29 May-1 JuneTe Atatu northbound off-ramp, 2 JuneHobsonville Road northbound off-ramp, 31 May-1 JuneSH16 northbound to SH18 eastbound link, 31 May-1 JuneUpper Harbour Motorway (SH18)None plannedSouthwestern Motorway (SH20)Walmsley Road southbound on-ramp, 31 MayGeorge Bolt Memorial Drive (SH20A)Kirkbride Road southbound off-ramp, 29-30 May