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 28 July 2023.

Unless otherwise stated, closures start at 9pm and finish at 5am.

NORTHERN MOTORWAY (SH1)

• Southbound lanes between Silverdale off-ramp and Oteha Valley Road on-ramp, 23-25 July
• Silverdale southbound on-ramp, 23-25 July
• Constellation Drive southbound on-ramp, 23-27 July
• Stafford Road northbound off-ramp, 23 July (approx. 9:30pm to 5:00am)
• Curran Street northbound on-ramp, 27 July (approx. 9:30pm to 5:00am)

SOUTHERN MOTORWAY (SH1)

• Northbound lanes between Manukau off-ramp and Puhinui Road on-ramp, 23 July (approx. 10:00pm to 5:00am)
• SH1 southbound to SH20 northbound link, 23 July (approx. 10:00pm to 5:00am)
• SH1 northbound to SH20 northbound link, 23 July (approx. 10:00pm to 5:00am)
• Redoubt Road southbound on-ramp, 23 July
• Southbound lanes between Takanini off-ramp and Drury on-ramp, 27 July
• Takanini southbound on-ramp, 27 July
• Papakura southbound off-ramp, 28 July
• Southbound lanes between Papakura off-ramp and Drury on-ramp, 23 & 25 July
• Papakura southbound on-ramp, 23-29 July (24/7)
• Southbound lanes between Papakura off-ramp and Drury on-ramp, 24 July (approx. 10:00pm to 5:00am)
• Southbound lanes between Papakura off-ramp and Drury on-ramp, 26 July (approx. 11:00pm to 5:00am)
• Northbound lanes between Ramarama off-ramp and Drury on-ramp, 24-27 July
• Ramarama northbound on-ramp, 24-27 July
• Northbound lanes between Te Kauwhata off-ramp and Hampton Downs on-ramp, 23 July (approx. 8:00pm to 5:00am)
• Te Kauwhata northbound on-ramp, 23 July (approx. 8:00pm to 5:00am)

NORTHWESTERN MOTORWAY (SH16)

• Lincoln Road northbound on-ramp, 24 July
• Lincoln Road northbound off-ramp, 23 & 25-27 July

UPPER HARBOUR MOTORWAY (SH18)

• Westbound lanes between Greenhithe Road off-ramp and Tauhinu Road on-ramp, 27 July (approx. 10:00pm to 5:00am)
• Tauhinu Road westbound on-ramp, 24 July
• Eastbound lanes between Tauhinu Road off-ramp and Greenhithe Road on-ramp, 27 July (approx. 10:00pm to 5:00am)
• Tauhinu Road eastbound off-ramp, 27 July
• Squadron Drive eastbound on-ramp, 27 July
• Eastbound lanes between Brigham Creek Road off-ramp and Brigham Creek Road on-ramp, 27 July (approx. 10:00pm to 5:00am)
• Brigham Creek Road eastbound on-ramp, 24-25 & 27 July (approx. 8:00pm to 5:00am)
• Eastbound lanes between Brigham Creek Road off-ramp and Squadron Road on-ramp, 23 July
• Brigham Creek Road eastbound on-ramp, 23 July

SOUTHWESTERN MOTORWAY (SH20)

• Southbound lanes between Hillsborough Road off-ramp and Neilson Street on-ramp, 27 July (approx. 10:00pm to 5:00am)
• Hillsborough Road southbound on-ramp, 27 July
• Queenstown Road southbound on-ramp, 27 July
• Southbound lanes between Rimu Road off-ramp and Massey Road on-ramp, 26 July
• Walmsley Road southbound on-ramp, 26 July
• SH20 southbound to SH20A westbound link, 26 July
• Southbound lanes between Massey Road off-ramp and Puhinui Road on-ramp, 25 July (approx. 10:00pm to 5:00am)
• Massey Road northbound off-ramp, 27 July
• Massey Road southbound on-ramp, 25 & 27 July
• Southbound lanes between Puhinui Road off-ramp and Manukau on-ramp, 24 July (approx. 10:00pm to 5:00am)
• Puhinui Road southbound on-ramp, 24 July
• Southbound Service Road (Puhinui Road to Cavendish Drive), 24 July
• Cavendish Drive southbound on-ramp, 24 July
• Northbound Service Road (Cavendish Drive to Puhinui Road), 23-24 July
• Cavendish Drive northbound on-ramp, 23-24 July
• Lambie Drive northbound on-ramp, 23 July
• Lambie Drive southbound on-ramp, 24 July
• SH20 southbound to SH1 northbound link, 24 July (approx. 10:00pm to 5:00am)
• SH20 southbound to SH1 southbound link, 24 July (approx. 10:00pm to 5:00am)