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, 18 August 2023. Unless otherwise stated, closures start at 9pm and finish at 5am.NORTHERN MOTORWAY (SH1)Constellation Drive southbound off-ramp, 13 AugustConstellation Drive northbound on-ramp, 13 AugustCENTRAL MOTORWAY JUNCTION (CMJ)Stanley Street westbound off-ramp, 15 August (approx. 12 Midnight to 5:00am)Nelson Street eastbound off-ramp, 14 & 16-17 AugustSOUTHERN MOTORWAY (SH1)Northbound lanes between Mt Wellington Highway off-ramp and Greenlane on-ramp, 13 August (approx. 10:00pm to 5:00am)Ellerslie-Panmure Highway northbound on-ramp, 13 AugustSouth Eastern Highway (SEART) northbound on-ramp, 13 AugustMt Wellington Highway northbound on-ramp, 13 AugustNorthbound lanes between East Tamaki Road off-ramp and Mt Wellington Highway on-ramp, 14 August (approx. 10:00pm to 5:00am)Princes Street northbound on-ramp, 14 AugustHighbrook Drive northbound on-ramp, 14 August.East Tamaki Road northbound on-ramp, 14 AugustSouthbound lanes between East Tamaki Road off-ramp and Manukau on-ramp, 13 August (approx. 10:00pm to 5:00am)East Tamaki Road southbound on-ramp, 13 AugustSH1 southbound to SH20 northbound link, 13 August (approx. 10:00pm to 5:00am)Southbound lanes between Takanini off-ramp and Drury/ SH22 on-ramp, 15 August (approx. 12 Midnight to 5:00am)Takanini southbound on-ramp, 15 August (approx. 12 Midnight to 5:00am)Southbound lanes between Takanini off-ramp and Drury/SH22 on-ramp, 16-17 August (approx. 9pm to 5:00am)Takanini southbound on-ramp, 16-17 AugustSouthbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 13-14 AugustPapakura southbound on-ramp, 13-19 August (24/7)Northbound lanes between Ramarama off-ramp and Drury/SH22 on-ramp, 13-17 AugustRamarama northbound on-ramp, 13-17 AugustBeaver Road southbound off-ramp, 15 & 17 AugustBeaver Road southbound on-ramp, 15 & 17 AugustBeaver Road northbound on-ramp, 14 AugustBeaver Road northbound off-ramp, 14 AugustNikau Road northbound on-ramp, 14 AugustRidge Road northbound off-ramp, 16 August (approx. 9:30pm to 5:00am)Razorback Road northbound on-ramp, 16 AugustSH1 northbound to SH2 eastbound link, 16 August (approx. 9:30pm to 5:00am)Pokeno northbound on-ramp, 16 AugustPokeno northbound off-ramp, 17 August (approx. 10:00pm to 5:00am)Southbound lanes between Mercer off-ramp and Mercer on-ramp, 17 August (approx. 10:00pm to 5:00am)Northbound lanes between Mercer off-ramp and Mercer on-ramp, 17 August (approx. 10:00pm to 5:00am)Southbound lanes between Hampton Downs off-ramp and Hampton Downs on-ramp, 16 AugustNorthbound lanes between Hampton Downs off-ramp and Hampton Downs on-ramp, 16 AugustNORTHWESTERN MOTORWAY (SH16)Southbound lanes between Lincoln Road off-ramp and Te Atatu on-ramp, 17 August (approx. 10:00pm to 5:00am)Lincoln Road southbound on-ramp, 17 AugustGreat North Road westbound off-ramp, 14 AugustUPPER HARBOUR MOTORWAY (SH18)Hobsonville Road westbound off-ramp, 13-14 AugustSOUTHWESTERN MOTORWAY (SH20)Dominion Road southbound on-ramp, 17 AugustNorthbound lanes between Cavendish Drive off-ramp and Massey Road on-ramp, 13 AugustPuhinui Road northbound on-ramp, 13 AugustCavendish Drive northbound on-ramp, 13 August