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, 21 June 2024. Check daily updated closure information: www.journeys.nzta.govt.nz Unless otherwise stated, closures start at 9pm and finish at 5am.Traffic management may be in place before the advertised closure times for the mainline. NORTHERN MOTORWAY (SH1) Southbound lanes between Constellation Drive off-ramp and Northcote Road on-ramp, 19 June (approx. 10:00pm to 5:00am)Constellation Drive southbound on-ramp, 19 JuneTristram Avenue southbound on-ramp, 19 JuneTristram Avenue northbound on-ramp, 16 & 19 JuneNorthbound lanes between Tristram Avenue off-ramp and Constellation Drive on-ramp, 19 June (approx. 10:00pm to 5:00am)Northcote Road northbound on-ramp, 16 JuneNorthbound lanes between Northcote Road off-ramp and Constellation Drive on-ramp, 16 June (approx. 10:00pm to 5:00am)Southbound lanes between Northcote Road off-ramp and Onewa Road on-ramp, 18 June (approx. 10:00pm to 5:00am)Northcote Road southbound on-ramp, 18 JuneEsmonde Road southbound on-ramp, 18 JuneEsmonde Road (Diamond) northbound on-ramp, 17 JuneEsmonde Road (Loop) northbound on-ramp, 17 JuneOnewa Road northbound on-ramp, 17 JuneNorthbound lanes between Onewa Road off-ramp and Northcote Road on-ramp, 17 June (approx. 10:00pm to 5:00am) CENTRAL MOTORWAY JUNCTION (CMJ) Northbound lanes between Nelson Street off-ramp and Fanshawe Street on-ramp, 18 June (approx. 10:00pm to 5:00am)Wellington Street northbound on-ramp, 18 JuneSH16 eastbound to SH1 northbound link, 18 June (approx. 10:00pm to 5:00am)Westbound lanes between Stanley Street off-ramp and Hobson Street on-ramp, 18 June (approx. 10:00pm to 5:00am)SH16 (Port) westbound to SH1 northbound link, 18 June (approx. 10:00pm to 5:00am)SH16 (Port) westbound to SH1 southbound link, 18 June (approx. 10:00pm to 5:00am)Wellesley Street East westbound on-ramp, 18 June SOUTHERN MOTORWAY (SH1) South Eastern Highway (SEART) southbound off-ramp (including Onehunga link), 16-20 JunePrinces Street southbound off-ramp, 16-20 JuneRedoubt Road northbound on-ramp, 17-18 JuneSouthbound lanes between Takanini off-ramp and Drury/SH22 on-ramp, 20 JuneTakanini southbound on-ramp, 20 JuneSouthbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 16-19 JunePapakura (Diamond) southbound on-ramp, 16-20 JunePapakura (Loop) southbound on-ramp, 16-20 JunePapakura (Loop) northbound on-ramp, 16-20 JunePapakura (Diamond) northbound on-ramp, 16-20 JuneNorthbound lanes between Papakura off-ramp and Takanini on-ramp, 20 JuneDrury/SH22 northbound on-ramp, 16-19 JuneNorthbound lanes between Drury/SH22 off-ramp and Takanini on-ramp, 16-19 JunePokeno northbound off-ramp, 20 June (approx. 10:00pm to 5:00am)Pioneer Road northbound off-ramp, 14-22 June (24/7)Southbound lanes between Mercer off-ramp and Mercer on-ramp, 20 June (approx. 10:00pm to 5:00am)Northbound lanes between Mercer off-ramp and Mercer on-ramp, 20 June (approx. 10:00pm to 5:00am)Dragway Road northbound off-ramp, 17 JuneSouthbound lanes between Hampton Downs off-ramp and Hampton Downs on-ramp, 17 June (approx. 10:00pm to 5:00am)Hampton Downs northbound off-ramp, 16 JuneNorthbound lanes between Hampton Downs off-ramp and Hampton Downs on-ramp, 17 June (approx. 10:00pm to 5:00am)NORTHWESTERN MOTORWAY (SH16) Southbound lanes between Waimauku Roundabout and Trigg Road, 16 June (approx. 6:00pm to 6:00am)Northbound lanes between Trigg Rd and Waimauku Roundabout, 16 June (approx. 6:00pm to 6:00am)Southbound lanes between Waimauku Roundabout and Trigg Road, 17-20 June (approx. 8:00pm to 5:00am)Northbound lanes between Trigg Rd and Waimauku Roundabout, 17-20 June (approx. 8:00pm to 5:00am)Hobsonville Road eastbound on-ramp (SH16 eastbound to SH18 eastbound link), 19 June UPPER HARBOUR MOTORWAY (SH18) Brigham Creek Road eastbound on-ramp, 16-18 JuneEastbound lanes between Brigham Creek Road off-ramp and Squadron Drive on-ramp, 16-18 Jun SOUTHWESTERN MOTORWAY (SH20) Mahunga Drive southbound off-ramp, 16-17 June (approx. 10:00pm to 5:00am) GEORGE BOLT MEMORIAL DRIVE (SH20A) Bader Drive northbound off-ramp, 16-18 June