NZ Transport Agency Waka Kotahi advises of the following closures for motorway improvements. Work delayed by bad weather will be completed at the next available date, prior to Friday, 10 May 2024.Unless otherwise stated, closures start at 9pm and finish at 5am.NORTHERN MOTORWAY (SH1)Southbound lanes between Orewa off-ramp and Silverdale on-ramp, 5-7 MayOrewa southbound on-ramp, 5-7 MayMillwater southbound on-ramp, 5-7 MayNorthbound lanes between Silverdale off-ramp and Orewa on-ramp, 5-7 MaySilverdale northbound on-ramp, 5-7 MayOnewa Road northbound off-ramp, 6 May (approx. 10:00pm to 5:00am)Stafford Road northbound off-ramp, 6 May (approx. 10:00pm to 5:00am)Curran Street northbound on-ramp, 6 MayCENTRAL MOTORWAY JUNCTION (CMJ)Northbound lanes between Symonds Street off-ramp and Fanshawe Street on-ramp, 6 May (approx. 10:00pm to 5:00am)Wellington Street northbound on-ramp, 6 MaySH16 eastbound to SH1 northbound link, 6 May (approx. 10:00pm to 5:00am)SH1 northbound to SH16 westbound link, 6-8 May (approx. 11:00pm to 5:00am)SH1 northbound to SH16 (Port) eastbound link, 7-8 May (approx. 11:00pm to 5:00am)Westbound lanes between Stanley Street off-ramp and Newton Road on-ramp, 6 May (approx. 10:00pm to 5:00am)SH16 (Port) westbound to SH1 northbound link, 6 May (approx. 10:00pm to 5:00am)SH16 (Port) westbound to SH1 southbound link, 6 May (approx. 10:00pm to 5:00am)Wellesley Street East westbound on-ramp, 6 MaySOUTHERN MOTORWAY (SH1)Northbound lanes between Greenlane off-ramp and Wellington Street on-ramp, 7-8 May (approx. 11:00pm to 5:00am)Gillies Avenue northbound on-ramp, 7-8 May (approx. 10:00pm to 5:00am)Greenlane northbound on-ramp, 7-8 May (approx. 10:00pm to 5:00am)Northbound lanes between Mt Wellington Highway off-ramp and Greenlane on-ramp, 9 May (approx. 10:00pm to 5:00am)Ellerslie-Panmure Highway southbound off-ramp, 5 May (approx. 10:00pm to 5:00am)Ellerslie-Panmure Highway northbound on-ramp, 9 MayEllerslie-Panmure Highway northbound on-ramp, 5 May (approx. 10:00pm to 5:00am)Ellerslie-Panmure Highway southbound on-ramp, 5 May (approx. 10:00pm to 5:00am)South Eastern Highway (SEART) northbound on-ramp, 9 MayMt Wellington Highway northbound on-ramp, 9 MayNorthbound lanes between Papakura off-ramp and Redoubt Road on-ramp, 6 & 8-9 MayTakanini northbound on-ramp, 6 & 8-9 MayNorthbound lanes between Papakura off-ramp and Takanini on-ramp, 7 MayPapakura (Diamond) northbound on-ramp, 5-9 MayPapakura (Loop) northbound on-ramp, 5-9 MaySouthbound lanes between Takanini off-ramp and Papakura on-ramp, 7-9 MaySouthbound lanes between Takanini off-ramp and Drury/SH22 on-ramp, 5-6 MayTakanini southbound on-ramp, 5-9 MayPapakura southbound on-ramp, 5-6 MayNorthbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 5 MayDrury/SH22 northbound on-ramp, 5 MaySouthbound lanes between Nikau Road off-ramp and Nikau Road on-ramp, 8-9 MayNorthbound lanes between Nikau Road off-ramp and Nikau Road on-ramp, 5-9 MayPioneer Road northbound off-ramp, 3-10 May (24/7)Hampton Downs southbound off-ramp, 5-7 May (approx. 8:00pm to 5:00am)Hampton Downs northbound on-ramp, 5-7 May (approx. 8:00pm to 5:00am)Hampton Downs southbound on-ramp, 8-9 May (approx. 8:00pm to 5:00am)Hampton Downs northbound off-ramp, 8-9 May (approx. 8:00pm to 5:00am)NORTHWESTERN MOTORWAY (SH16)Northbound lanes between Trigg Rd and Waimauku Roundabout, 5-9 MaySouthbound lanes between Waimauku Roundabout and Trigg Road, 5-9 May.SOUTHWESTERN MOTORWAY (SH20)Southbound lanes between Hillsborough Road off-ramp and Neilson Street on-ramp, 5 May (approx. 10:00pm to 5:00am)/li>Hillsborough Road southbound on-ramp, 5 May (approx. 10:00pm to 5:00am)Queenstown Road southbound on-ramp, 5 May (approx. 10:00pm to 5:00am)Please follow the signposted detours. NZ Transport Agency thanks you for your co-operation during these essential improvements and maintenance.