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, 17 June 2022.Unless otherwise stated, closures start at 9pm and finish at 5am.NORTHERN MOTORWAY (SH1)Southbound lanes between Waiwera off-ramp and Silverdale on-ramp, 12-13 June (approx. 10:00pm to 5:00am)Orewa southbound on-ramp, 12-13 JuneMillwater southbound on-ramp, 12-13 JuneSouthbound lanes between Waiwera off-ramp and Orewa on-ramp, 15-16 June (approx. 10:00pm to 5:00am)Northbound lanes between Silverdale off-ramp and Waiwera on-ramp, 12-13 & 15 June (approx. 10:00pm to 5:00am)Silverdale northbound on-ramp, 12-13 & 15 JuneOrewa northbound on-ramp, 12-13 & 15 JuneOteha Valley Road southbound on-ramp, 13 June (approx. 08:30pm – 05:00am)Northbound lanes between Greville Road off-ramp and Oteha Valley Road on-ramp, 12-16 June (approx. 09:30pm to 5:00am)Greville Road northbound on-ramp 12-16 JuneSouthbound lanes between Tristram Avenue off-ramp and Esmonde Road on-ramp, 13-15 June (approx. 10:00pm to 5:00am)Tristram Avenue southbound on-ramp, 13-15 JuneNorthcote Road southbound on-ramp, 13-15 JuneCENTRAL MOTORWAY JUNCTION (CMJ)Hobson Street southbound on-ramp, 13 JuneHobson Street westbound on-ramp, 13 JuneWestbound lanes between Stanley Street off-ramp and Hobson Street on-ramp, 14 JuneWellesley Street East westbound on-ramp, 14 JuneGrafton Road southbound on-ramp, 14 JuneSOUTHERN MOTORWAY (SH1)Khyber Pass Road southbound on-ramp, 12-13 JuneKhyber Pass Road northbound off-ramp, 13-16 JuneGillies Avenue northbound on-ramp, 13-16 JuneGreenlane northbound off-ramp, 12-13 June (approx. 10:30pm to 5:00am)Ellerslie-Panmure Highway southbound off-ramp, 12 JuneEllerslie-Panmure Highway northbound on-ramp, 12-13 JuneSouthbound lanes between Papakura off-ramp and Drury/ SH22 on-ramp, 12-16 JunePapakura southbound on-ramp, 12-16 JunePapakura (Loop) northbound on-ramp, 12-16 JuneNorthbound lanes between Drury/ SH22 off-ramp and Papakura on-ramp, 12-16 JuneDrury/ SH22 northbound on-ramp, 12-16 JuneBombay southbound off-ramp, 13 JunePokeno southbound off-ramp, 15 June (approx. 11:00pm to 5:00am)Pokeno southbound on-ramp, 15 JunePioneer Road southbound off-ramp, 15 June (approx. 11:00pm to 5:00am)Mercer southbound off-ramp, 15 June (approx. 11:00pm to 5:00am)Southbound lanes between Mercer off-ramp and Mercer on-ramp, 15 June (approx. 11:00pm to 5:00am)Northbound lanes between Mercer off-ramp and Mercer on-ramp, 15 June (approx. 10:00pm to 5:00am)Southbound lanes between Mercer off-ramp and Mercer on-ramp, 16 June (approx. 10:00pm to 5:00am)Mercer southbound off-ramp, 16 June (approx. 10:00pm to 5:00am)Northbound lanes between Mercer off-ramp and Mercer on-ramp, 16 June (approx. 10:00pm to 5:00am)Southbound lanes between Pioneer Road off-ramp and Mercer on-ramp, 12-13 June (approx. 11:00pm to 5:00am)Northbound lanes between Mercer off-ramp and Pioneer Road, 12-13 June (approx. 11:00pm to 5:00am)Mercer northbound on-ramp, 12-13 JuneSouthbound lanes between Mercer and Oram Rd, 14 June (approx. 11:00pm to 5:00am)Mercer southbound on-ramp, 14 JuneHampton Downs southbound off-ramp, 12-13 JuneHampton Downs southbound on-ramp, 12-13 JuneHampton Downs northbound off-ramp, 13-15 JuneHampton Downs northbound on-ramp, 13-15 JuneTe Kauwhata southbound off-ramp, 14-16 JuneTe Kauwhata southbound on-ramp, 14-16 JuneNORTHWESTERN MOTORWAY (SH16)Great North Road eastbound on-ramp, 15 JuneGreat North Road westbound off ramp, 14 JuneSOUTHWESTERN MOTORWAY (SH20)Northbound lanes between Maioro Street off-ramp and SH16 (Waterview northbound tunnel closed), 13 JuneMaioro Street northbound on-ramp, 13 JuneMassey Road southbound on-ramp, 12-16 JunePuhinui Road southbound off-ramp, 14 June