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, 23 May 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)

• Silverdale southbound off-ramp, 20-22 May

CENTRAL MOTORWAY JUNCTION (CMJ)

• SH1 southbound to SH16 westbound link, 22 May (approx. 10:00pm to 5:00am)
• Westbound lanes between Stanley Street off-ramp and Great North Road on-ramp, 22 May (approx. 10:00pm to 5:00am)
• SH16 westbound to SH20 southbound link, 22 May (approx. 10:00pm to 5:00am)
• St Lukes Road westbound on-ramp, 22 May
• Newton Road westbound on-ramp, 22 May
• Hobson Street westbound on-ramp, 22 May
• SH16 (Port) westbound to SH1 northbound link, 22 May (approx. 10:00pm to 5:00am)
• Wellesley Street East (SH1) westbound on-ramp, 22 May
• SH1 northbound to SH16 westbound link, 22 May (approx. 10:00pm to 5:00am)
• Westbound lanes between Tamaki Drive and Beach Road, 18-21 May (approx. 10:00pm to 5:00am)

SOUTHERN MOTORWAY (SH1)

• Northbound lanes between Ellerslie-Panmure Highway off-ramp and Wellesley Street on-ramp, 18-19 May (approx. 10:00pm to 5:00am)
• SH1 northbound to SH16 westbound link, 18-19 May (approx. 10:00pm to 5:00am)
• SH1 northbound to SH16 eastbound (Port) link, 18-19 May (approx. 10:00pm to 5:00am)
• Gillies Avenue northbound on-ramp, 18-19 May (approx. 10:00pm to 5:00am)
• Greenlane northbound on-ramp, 18-19 May (approx. 10:00pm to 5:00am)
• Ellerslie-Panmure Highway northbound on-ramp, 18-19 May (approx. 10:00pm to 5:00am)
• Northbound lanes between Mt Wellington Highway off-ramp and Greenlane on-ramp, 20 May (approx. 10:00pm to 5:00am)
• Ellerslie-Panmure Highway northbound on-ramp, 20 May
• South Eastern Highway (SEART) northbound on-ramp, 20 May
• Mt Wellington Highway northbound on-ramp, 20 May
• Mt Wellington Highway southbound on-ramp, 18-22 May (approx. 10:00pm to 5:00am)
• Takanini southbound off-ramp, 18 May
• Drury/SH22 southbound on-ramp, 18 May
• Northbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 20-22 May
• Drury/SH22 northbound on-ramp, 20-22 May
• Northbound lanes between Ramarama off-ramp and Papakura on-ramp, 18-19 May
• Drury/SH22 northbound on-ramp, 18-19 May
• Ramarama northbound on-ramp, 18-19 May
• Bombay southbound off-ramp, 18-23 May
• Southbound lanes between Mercer off-ramp and Mercer on-ramp, 19-21 May
• Northbound lanes between Mercer off-ramp and Mercer on-ramp, 19-21 May

NORTHWESTERN MOTORWAY (SH16)

• Southbound lanes between Waimauku roundabout and Trigg Road, 19 & 22 May (approx. 8:00pm to 5:00am)
• Northbound lanes between Trigg Road and Waimauku roundabout, 19 & 22 May (approx. 8:00pm to 5:00am)
• Southbound lanes between Lincoln Road off-ramp and Great North Road on-ramp, 21 May (approx. 10:00pm to 5:00am)
• Lincoln Road southbound on-ramp, 21 May
• Te Atatu Road (Loop) southbound on-ramp, 21 May
• Te Atatu Road (Diamond) southbound on-ramp, 21 May
• Rosebank Road southbound on-ramp, 21 May
• SH16 eastbound to SH20 southbound link, 21 May (approx. 10:00pm to 5:00am)