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, 4 August 2023.Unless otherwise stated, closures start at 9pm and finish at 5am.NORTHERN MOTORWAY (SH1)Constellation Drive southbound on-ramp, 30 July & 1 August (approx. 11:00pm to 5:00am)Constellation Drive southbound on-ramp, 31 July & 2 August (approx. 9:30pm to 5:00am)Southbound lanes between Northcote Road off-ramp and Esmonde Road on-ramp, 30 July (approx. 11:00pm to 5:00am)Northcote Road southbound on-ramp, 30 July (approx. 11:00pm to 5:00am)Esmonde Road southbound on-ramp, 1 AugustShelly Beach Road southbound off-ramp, 2-3 AugustCurran Street northbound on-ramp, 30 July (approx. 11:00pm to 5:00am)CENTRAL MOTORWAY JUNCTION (CMJ)None plannedSOUTHERN MOTORWAY (SH1)Southbound lanes between East Tamaki Road off-ramp and Manukau on-ramp, 31 July (approx. 10:00pm to 5:00am)East Tamaki Road southbound on-ramp, 31 JulySH1 southbound to SH20 northbound link, 31 JulySouthbound lanes between East Tamaki Road off-ramp and Manukau on-ramp, 1 August (approx. 11:00pm to 5:00am)East Tamaki Road southbound on-ramp, 1 August (approx. 11:00pm to 5:00am)SH1 southbound to SH20 northbound link, 1 August (approx. 11:00pm to 5:00am)Northbound lanes between Manukau off-ramp and East Tamaki Road on-ramp, 31 July (approx. 10:00pm to 5:00am)Te Irirangi Drive northbound on-ramp, 31 JulyRedoubt Road northbound on-ramp, 31 JulyNorthbound lanes between Takanini off-ramp and Manukau on-ramp, 3 August (approx. 10:00pm to 5:00am)SH1 northbound to SH20 northbound link, 3 August (approx. 10:00pm to 5:00am)Hill Road northbound on-ramp, 3 AugustTakanini northbound on-ramp, 3 AugustSouthbound lanes between Takanini off-ramp and Drury/SH22 on-ramp, 30 July & 1 August (approx. 11:00pm to 5:00am)Takanini southbound on-ramp, 30 July & 1 August (approx. 11:00pm to 5:00am)Southbound lanes between Takanini off-ramp and Drury/SH22 on-ramp, 31 July & 2-3 AugustTakanini southbound on-ramp, 31 July & 2-3 AugustPapakura southbound on-ramp, 28 July – 5 August (24/7)Northbound lanes between Ramarama off-ramp and Takanini on-ramp, 1 August (approx. 11:00pm to 5:00am)Papakura (Diamond) Northbound Onramp, 1 August (approx. 11:00pm to 5:00am)Papakura (Loop) Northbound Onramp, 30 July & 1 August (approx. 11:00pm to 5:00am)Papakura (Loop) Northbound Onramp, 31 July & 3 AugustNorthbound lanes between Ramarama off-ramp and Papakura on-ramp, 30 July (approx. 11:00pm to 5:00am)Drury/SH22 northbound on-ramp, 30 July & 1 August (approx. 11:00pm to 5:00am)Ramarama northbound on-ramp, 30 July & 1 August (approx. 11:00pm to 5:00am)Northbound lanes between Ramarama off-ramp and Papakura on-ramp, 31 JulyDrury/SH22 northbound on-ramp, 31 JulyNorthbound lanes between Ramarama off-ramp and Drury/SH22 on-ramp, 3 AugustNorthbound lanes between Bombay off-ramp and Drury/SH22 on-ramp, 2 AugustRamarama northbound on-ramp, 31 July & 2-3 AugustBombay northbound on-ramp, 2 AugustNorthbound lanes between Te Kauwhata off-ramp and Hampton Downs on-ramp, 3 August (approx. 8:00pm to 5:00am)Te Kauwhata northbound on-ramp, 3 August (approx. 8:00pm to 5:00am)NORTHWESTERN MOTORWAY (SH16)Lincoln Road northbound on-ramp, 2-3 AugustLincoln Road northbound off-ramp, 31 July & 2-3 AugustLincoln Road northbound off-ramp, 1 August (approx. 11:00pm to 5:00am)Te Atatu Road northbound off-ramp, 30 July (approx. 11:00pm to 5:00am)UPPER HARBOUR MOTORWAY (SH18)Westbound lanes between Greenhithe Road off-ramp and Tauhinu Road on-ramp, 31 July (approx. 10:00pm to 5:00am)Eastbound lanes between Tauhinu Road off-ramp and Greenhithe Road on-ramp, 31 July (approx. 10:00pm to 5:00am)Squadron Drive eastbound on-ramp, 31 JulyEastbound lanes between Brigham Creek Road off-ramp and Brigham Creek Road on-ramp, 31 July (approx. 10:00pm to 5:00am)Hobsonville Road westbound off-ramp, 1 August (approx. 11:00pm to 5:00am)Hobsonville Road westbound off-ramp, 2-3 AugustSOUTHWESTERN MOTORWAY (SH20)Southbound lanes between Maioro Street off-ramp and Hillsborough Road on-ramp, 30 July (approx. 11:00pm to 5:00am)Maioro Street southbound on-ramp, 30 July (approx. 11:00pm to 5:00am)Dominion Road southbound on-ramp, 30 July (approx. 11:00pm to 5:00am)Massey Road southbound on-ramp, 30 July & 1 August (approx. 11:00pm to 5:00am)Massey Road southbound on-ramp, 31 JulyMassey Road northbound off-ramp, 30 July & 1 August (approx. 11:00pm to 5:00am)Massey Road northbound off-ramp, 31 JulySouthbound lanes between Lambie Drive off-ramp and SH1 links, 31 July (approx. 10:00pm to 5:00am)Lambie Drive southbound on-ramp, 31 JulySH20 southbound to SH1 northbound link, 31 July (approx. 10:00pm to 5:00am)SH20 southbound to SH1 southbound link, 31 July (approx. 10:00pm to 5:00am)