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, 30 August 2024.

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, 25-26 August
• Orewa southbound on-ramp, 25-26 August
• Millwater southbound on-ramp, 25-26 August
• Northbound lanes between Silverdale off-ramp and Orewa on-ramp, 25-26 August
• Silverdale northbound on-ramp, 25-26 August

CENTRAL MOTORWAY JUNCTION (CMJ)

• Grafton Road eastbound on-ramp, 25-29 August (approx. 10:00pm to 5:00am)

SOUTHERN MOTORWAY (SH1)

• Khyber Pass Road northbound off-ramp, 25 August
• Gillies Avenue northbound on-ramp, 25 August
• Ellerslie-Panmure Highway northbound off-ramp, 25 August
• Northbound lanes between Manukau off-ramp and East Tamaki Road on-ramp, 27 & 29 August (approx. 10:00pm to 5:00am)
• Te Irirangi Drive northbound on-ramp, 27 & 29 August
• Redoubt Road northbound on-ramp, 27 & 29 August
• Southbound lanes between Takanini off-ramp and Drury/SH22 on-ramp, 25-28 August (approx. 9:30pm to 5:30am)
• Takanini southbound on-ramp, 25-28 August (approx. 9:00pm to 5:30am)
• Papakura (Loop) southbound on-ramp, 25-28 August (approx. 9:00pm to 5:30am)
• Papakura (Diamond) southbound on-ramp, 25-28 August (approx. 9:00pm to 5:30am)
• Southbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 23 August (approx. 10:00pm to 5:30am)
• Papakura (Loop) southbound on-ramp, 23 August (approx. 9:00pm to 5:30am)
• Papakura (Diamond) southbound on-ramp, 23 August (approx. 9:00pm to 5:30am)
• Southbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 29 August
• Papakura (Loop) southbound on-ramp, 29 August
• Papakura (Diamond) southbound on-ramp, 29 August
• Northbound lanes between Drury/SH22 off-ramp and Takanini on-ramp, 25-26 & 28 August
• Papakura (Diamond) northbound on-ramp, 25-26 & 28 August
• Papakura (Loop) northbound on-ramp, 25-26 & 28 August
• Drury/SH22 northbound on-ramp, 25-26 & 28 August
• Northbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 27 & 29 August 
• Drury/SH22 northbound on-ramp, 27 & 29 August
• Bombay southbound on-ramp, 29 August (approx. 8:00pm to 5:00am)
• Beaver Road East southbound off-ramp, 29 August
• Beaver Road East southbound on-ramp, 29 August
• Nikau Road southbound off-ramp, 29 August
• Southbound lanes between Nikau Road off-ramp and Nikau Road on-ramp, 28 August (approx. 9:30pm to 5:00am)
• Northbound lanes between Ridge Road off-ramp and Nikau Road on-ramp, 28 August (approx. 9:30pm to 5:00am)
• Razorback Road southbound off-ramp, 28 August (approx. 9:30pm to 5:00am)
• SH1 southbound to SH2 eastbound link, 28 August (approx. 9:30pm to 5:00am)\
• Southbound lanes between Pokeno off-ramp and Pokeno on-ramp, 28 August (approx. 9:30pm to 5:00am)
• Northbound lanes between Pokeno off-ramp and Pokeno on-ramp, 28 August (approx. 9:30pm to 5:00am)
• Ridge Road northbound off-ramp, 25 August (approx. 8:00pm to 5:00am)
• Razorback Road northbound on-ramp, 25 August (approx. 8:00pm to 5:00am)
• SH1 northbound to SH2 eastbound link, 25 August
• Pokeno northbound on-ramp, 25 August (approx. 8:00pm to 5:00am)
• Pokeno southbound off-ramp, 27 August (approx. 10:00pm to 5:00am)
• Pokeno southbound on-ramp, 27 August
• Pioneer Road southbound off-ramp, 27 August (approx. 10:00pm to 5:00am)
• Southbound lanes between Mercer off-ramp and Mercer on-ramp, 27 August (approx. 10:00pm to 5:00am)
• Northbound lanes between Mercer off-ramp and Mercer on-ramp, 27 August (approx. 10:00pm to 5:00am)
• Pokeno northbound off-ramp, 26 August (approx. 10:00pm to 5:00am)
• Pioneer Road northbound off-ramp, 26 August (approx. 10:00pm to 5:00am)
• Southbound lanes between Mercer off-ramp and Mercer on-ramp, 26 August
• Northbound lanes between Mercer off-ramp and Mercer on-ramp, 26 August

NORTHWESTERN MOTORWAY (SH16)

• Southbound lanes between Waimauku Roundabout and Foster Road, 26 & 29 August (approx. 8:00pm to 5:00am)
• Northbound lanes between Foster Road and Waimauku Roundabout, 26 & 29 August (approx. 8:00pm to 5:00am)
• Southbound lanes between Waimauku Roundabout and Trigg Road, 25 & 27-28 August (approx. 8:00pm to 5:00am)
• Northbound lanes between Trigg Road and Waimauku Roundabout, 25 & 27-28 August (approx. 8:00pm to 5:00am)
• Southbound lanes between Brigham Creek Roundabout off-ramp and Lincoln Road on-ramp, 29 August
• Hobsonville Road southbound on-ramp, 29 August
• Royal Road southbound on-ramp, 29 August
• Northbound lanes between Te Atatu Road off-ramp and Lincoln Road on-ramp, 26-28 August
• Te Atatu Road northbound on-ramp, 26-28 August

UPPER HARBOUR MOTORWAY (SH18)

• SH18 westbound to SH16 southbound link, 29 August

SOUTHWESTERN MOTORWAY (SH20)

• Dominion Road northbound off-ramp, 25-27 August
• Massey Road southbound on-ramp, 25 August
• Northbound Service Road (Cavendish Drive to Puhinui Road), 29 August (approx. 10:00pm to 5:00am)
• Lambie Drive southbound on-ramp, 27 & 29 August
• SH20 southbound to SH1 northbound link, 27 & 29 August (approx. 10:00pm to 5:00am)
• SH20 southbound to SH1 southbound link, 27 & 29 August (approx. 10:00pm to 5:00am)

STATE HIGHWAY 2 (SH2)

• SH2 westbound to SH1 southbound, 28 August (approx. 9:30pm to 5:00am)
• SH2 westbound to SH1 northbound, 25 August.

Please follow the signposted detours. NZ Transport Agency thanks you for your co-operation during these essential improvements and maintenance.