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, 2 August 2024. Please note this Traffic Bulletin is updated every Friday. 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 Orewa off-ramp and Silverdale on-ramp, 28-31 July & 1 AugustOrewa southbound on-ramp, 28-31 July & 1 AugustMillwater southbound on-ramp, 28-31 July & 1 AugustNorthbound lanes between Silverdale off-ramp and Orewa on-ramp, 28-30 JulySilverdale northbound on-ramp, 28-30 JulyOnewa Road southbound off-ramp, 31 July & 1 AugustOnewa Road northbound off-ramp, 31 July & 1 August CENTRAL MOTORWAY JUNCTION (CMJ) Eastbound lanes between Wellesley Street East (SH1) off-ramp and Alten Road, 28-31 July & 1 August (approx. 10:00pm to 5:00am)SH1 northbound to SH16 eastbound (Port) link, 28-31 July & 1 August (approx. 10:00pm to 5:00am)Eastbound lanes between Wellesley Street East (SH16) off-ramp and Alten Road, 28-31 July & 1 August (approx. 10:00pm to 5:00am)Grafton Road eastbound on-ramp, 28-31 July & 1 August (approx. 10:00pm to 5:00am) SOUTHERN MOTORWAY (SH1) SH1 southbound to SH20 northbound link, 29 July (approx. 10:00pm to 5:00am)Redoubt Road southbound on-ramp, 29 JulySH1 northbound to SH20 northbound link, 29 July (approx. 10:00pm to 5:00am)Southbound lanes between Takanini off-ramp and Drury/SH22 on-ramp, 29 & 31 July-1 August (approx. 9:30pm to 5:00am)Takanini southbound on-ramp, 29 & 31 July-1 August (approx. 9:30pm to 5:00am)Papakura (Loop) southbound on-ramp, 29 & 31 July-1 August (approx. 9:30pm to 5:00am)Papakura (Diamond) southbound on-ramp, 29 & 31 July-1 August (approx. 9:30pm to 5:00am)Southbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 30 JulySouthbound lanes between Papakura off-ramp and Ramarama on-ramp, 28 JulyPapakura (Loop) southbound on-ramp, 28 & 30 JulyPapakura (Diamond) southbound on-ramp, 28 & 30 JulyDrury/SH22 southbound on-ramp, 28 JulyNorthbound lanes between Drury/SH22 and Redoubt Road on-ramp, 31 July-1 August (approx. 10:00pm to 5:00am)Takanini northbound on-ramp, 31 July-1 AugustNorthbound lanes between Drury/SH22 off-ramp and Takanini on-ramp, 29-30 JulyPapakura (Diamond) northbound on-ramp, 28-31 July & 1 AugustPapakura (Loop) northbound on-ramp, 29-31 July & 1 AugustNorthbound lanes between Ramarama off-ramp and Papakura on-ramp, 28 JulyDrury/SH22 northbound on-ramp, 28-31 July & 1 AugustRamarama northbound on-ramp, 28 JulyRidge Road northbound off-ramp, 29 July (approx. 8:30pm to 5:00am)Pokeno southbound on-ramp, 30 July & 1 AugustPokeno northbound off-ramp, 30 July & 1 AugustHampton Downs northbound off-ramp, 29 JulyNORTHWESTERN MOTORWAY (SH16) Southbound lanes between Foster Road and Trigg Road, 28 July (approx. 7:00pm to 5:00am)Northbound lanes between Trigg Rd and Foster Road, 28 July (approx. 7:00pm to 5:00am)Southbound lanes between Waimauku Roundabout and Trigg Road, 31 July (approx. 8:00pm to 5:00am)Northbound lanes between Trigg Rd and Waimauku Roundabout, 31 July (approx. 8:00pm to 5:00am) UPPER HARBOUR MOTORWAY (SH18) Hobsonville Road eastbound on-ramp, 29-31 July & 1 August SOUTHWESTERN MOTORWAY (SH20) Southbound lanes between Mahunga Drive off-ramp and Massey Road on-ramp, 1 August (approx. 10:00pm to 5:00am)SH20 southbound to SH20A southbound link, 1 August (approx. 10:00pm to 5:00am)Walmsley Road southbound on-ramp, 1 AugustSouthbound lanes between Massey Road off-ramp and Puhinui Road on-ramp, 31 July (approx. 10:00pm to 5:00am)Massey Road southbound on-ramp, 31 JulyNorthbound lanes between Cavendish Drive off-ramp and Massey Road on-ramp, 28 July (approx. 9:30pm to 5:00am)Puhinui Road northbound on-ramp, 28 July (approx. 8:30pm to 5:00am)Cavendish Drive northbound on-ramp, 28 July (approx. 8:30pm to 5:00am)Southbound lanes between Puhinui Road off-ramp and SH1 links, 30 July (approx. 10:00pm to 5:00am)Puhinui Road southbound on-ramp, 30 JulySouthbound Service Road (Puhinui Road to Cavendish Drive), 30 JulyCavendish Drive southbound on-ramp, 30 JulyLambie Drive southbound on-ramp, 30 JulySH20 southbound to SH1 northbound link, 30 July (approx. 10:00pm to 5:00am)SH20 southbound to SH1 southbound link, 30 July (approx. 10:00pm to 5:00am)Northbound lanes between Manukau off-ramp and Puhinui Road on-ramp, 29 July (approx. 10:00pm to 5:00am)Northbound Service Road (Cavendish Drive to Puhinui Road), 29 JulyCavendish Drive northbound on-ramp, 29 JulyLambie Drive northbound on-ramp, 29 July