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 Thursday, 24 April 2025.

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 Silverdale off-ramp and Oteha Valley Road on-ramp, 23 April
• Silverdale southbound on-ramp, 23 April
• Southbound lanes between Oteha Valley Road off-ramp and Constellation Drive on-ramp, 22 April (approx. 10:00pm to 5:00am)
• Oteha Valley Road southbound on-ramp, 22 April
• Greville Road southbound on-ramp, 22 April
• SH1 southbound to SH18 westbound Link, 22 April (approx. 10:00pm to 5:00am)
• Northbound lanes between Northcote Road off-ramp and Constellation Drive on-ramp, 21 April (approx. 10:00pm to 5:00am)
• Tristram Avenue northbound on-ramp, 21 April (approx. 9:30pm to 5:00am)
• Northcote Road northbound on-ramp, 21 April (approx. 9:30pm to 5:00am)
• Shelly Beach Road southbound off-ramp, 22-23 April

SOUTHERN MOTORWAY (SH1)

• Southbound lanes between East Tamaki Road off-ramp and East Tamaki Road on-ramp, 21-23 April (approx. 10pm to 5:00am)

NORTHWESTERN MOTORWAY (SH16)

• Southbound lanes between Waimauku roundabout and Trigg Road, 21 April (approx. 12am to 5:00am)
• Northbound lanes between Trigg Road and Waimauku roundabout, 21 April (approx. 12am to 5:00am)

UPPER HARBOUR MOTORWAY (SH18)

• Westbound lanes between Paul Matthews Road and Albany Highway on-ramp, 22 April
• Paul Matthews Road westbound on-ramp, 22 April