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, 14 February 2025.

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)

• Millwater northbound off-ramp, 17 February
• Northbound lanes between Oteha Valley Road off-ramp and Silverdale on-ramp, 17-18 February
• Oteha Valley Road northbound on-ramp, 17-18 February
• Southbound lanes between Tristram Avenue off-ramp and Northcote Road on-ramp, 16-20 February (approx. 10:00pm to 5:00am)
• Tristram Avenue southbound on-ramp, 16-20 February
• Onewa Road northbound off-ramp, 16-20 February
• Stafford Road northbound off-ramp, 16-20 February
• Curran Street northbound on-ramp, 16-20 February
• Shelly Beach Road southbound off-ramp, 20 February
• Shelly Beach Road southbound off-ramp, (approx. 10:00pm 22 February to 12:00pm 23 February)

CENTRAL MOTORWAY JUNCTION (CMJ)

• SH1 northbound to SH16 eastbound (Port) link, 16-17 & 19-20 February (approx. 10:00pm to 5:00am)
• SH1 northbound to SH16 westbound link, 16-17 & 19-20 February (approx. 10:00pm to 5:00am)
• Westbound lanes between Quay Street/Tamaki Drive and Parnell Rise, (9:00pm 14 February to 5:00am 17 February (24/7)
• Westbound lanes between Quay Street/Tamaki Drive and Parnell Rise, (9:00pm 21 February to 5:00am 24 February (24/7)

SOUTHERN MOTORWAY (SH1)

• Northbound lanes between Ellerslie-Panmure Highway off-ramp and Wellesley Street East on-ramp, 16-17 & 19-20 February (approx. 10:00pm to 5:00am)
• Gillies Avenue northbound on-ramp, 16-17 & 19-20 February (approx. 10:00pm to 5:00am)
• Greenlane northbound on-ramp, 16-17 & 19-20 February (approx. 10:00pm to 5:00am)
• Ellerslie-Panmure Highway northbound on-ramp, 16-17 & 19-20 February (approx. 10:00pm to 5:00am)
• Greenlane southbound off-ramp, 18 February
• Northbound lanes between Mt Wellington Highway off-ramp and Greenlane on-ramp, 18 February (approx. 10:00pm to 5:00am)
• Ellerslie-Panmure Highway northbound on-ramp, 18 February
• South Eastern Highway (SEART) northbound on-ramp, 18 February
• Mt Wellington Highway northbound on-ramp, 18 February
• Southbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 16-20 February
• Papakura (Loop) southbound on-ramp, 16-20 February
• Papakura (Diamond) southbound on-ramp, 16-20 February
• Drury/SH22 northbound on-ramp, 16-20 February
• Drury/SH22 northbound off-ramp, 16-20 February
• Southbound lanes between Ramarama off-ramp and Bombay on-ramp, 16-18 February
• Ramarama southbound on-ramp, 16-18 February
• Bombay southbound off-ramp, 16-18 & 20 February 
• Bombay northbound on-ramp, 16-20 February
• Bombay northbound off-ramp, 16-20 February
• Bombay southbound on-ramp, 19 February (approx. 8:00pm to 5:00am)
• Beaver Road southbound off-ramp, 19 February
• Beaver Road southbound on-ramp, 19 February (approx. 8:00pm to 5:00am)
• Nikau Road southbound off-ramp, 19 February

NORTHWESTERN MOTORWAY (SH16)

• Southbound lanes between Waimauku roundabout and Trigg Road, 16-20 February (approx. 8:00pm to 5:00am)
• Northbound lanes between Trigg Road and Waimauku roundabout, 16-20 February (approx. 8:00pm to 5:00am)
• Southbound lanes between Brigham Creek roundabout and Lincoln Road on-ramp, 19 February
• Hobsonville Road southbound on-ramp, 19 February
• Royal Road southbound on-ramp, 19 February

UPPER HARBOUR MOTORWAY (SH18)

• Eastbound lanes between Tauhinu Road off-ramp and Albany Highway on-ramp, 16-18 February
• Greenhithe Road eastbound on-ramp, 16-18 February
• SH18 westbound to SH16 southbound link, 19 February

SOUTHWESTERN MOTORWAY (SH20)

• Southbound lanes between Mahunga Drive off-ramp and Massey Road on-ramp, 20 February (approx. 10:00pm to 5:00am)
• Walmsley Road southbound on-ramp, 20 February
• SH20 southbound to SH20A southbound link, 20 February (approx. 10:00pm to 5:00am)

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