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 March 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)

•  Southbound lanes between Warkworth roundabout and Silverdale on-ramp, 19 March
  • Puhoi southbound on-ramp, 19 March
  • Orewa southbound on-ramp, 19 March
  • Millwater southbound on-ramp, 19 March
• Northbound lanes between Silverdale off-ramp and Warkworth roundabout, 18 March
  • Orewa northbound on-ramp, 18 March
  • Silverdale northbound on-ramp, 18 March
• Onewa Road northbound off-ramp, 16 March
• Stafford Road northbound off-ramp, 16 &17-20 March
• Curran Street northbound on-ramp, 16 & 17-20 March

CENTRAL MOTORWAY JUNCTION (CMJ)

•  Hobson Street southbound on-ramp, 19 March
• Westbound lanes between Tamaki Drive and Beach Road/Parnell Rise, 18-19 March

SOUTHERN MOTORWAY (SH1)

•  Northbound lanes between East Tamaki Road off-ramp and Mt Wellington Highway on-ramp, 19-20 March (approx. 10:00pm to 5:00am)
  • Princes Street northbound on-ramp, 19-20 March
  • Highbrook Drive northbound on-ramp, 19-20 March
  • East Tamaki Road northbound on-ramp, 19-20 March
• Southbound lanes between East Tamaki Road off-ramp and Redoubt Road on-ramp, 16-18 March (approx. 10:00pm to 5:00am)
  • East Tamaki Road southbound on-ramp, 16-18 March
  • SH1 southbound to SH20 northbound link, 16-18 March (approx. 10:00pm to 5:00am)
• Southbound lanes between Takanini off-ramp and Papakura on-ramp, 20 March
  • Takanini southbound on-ramp, 20 March
• Papakura southbound off-ramp, 19 March
• Southbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 16-18 March
  • Papakura (Loop) southbound on-ramp, 16-18 March
  • Papakura (Diamond) southbound on-ramp, 16-18 March
• Drury/SH22 southbound off-ramp, 20 March
• Northbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 16 & 19-20 March
  • Drury/SH22 northbound on-ramp, 16 & 19-20 March
• Northbound lanes between Ramarama off-ramp and Papakura on-ramp, 17-18 March
  • Drury/SH22 northbound on-ramp, 17-18 March
  • Ramarama northbound on-ramp, 17-18 March
• Southbound lanes between Hampton Downs off-ramp and Hampton Downs on-ramp, 17 March
• Northbound lanes between Hampton Downs off-ramp and Hampton Downs on-ramp, 17 March
• Southbound lanes between Hampton Downs off-ramp and Rangiriri on-ramp, 16 March
  • Hampton Downs southbound on-ramp, 16 March
• Te Kauwhata southbound on-ramp, 16 March

NORTHWESTERN MOTORWAY (SH16)

•  Southbound lanes between Waimauku roundabout and Trigg Road, 16-20 March (approx. 8:00pm to 5:00am)
• Northbound lanes between Trigg Road and Waimauku roundabout, 16-20 March (approx. 8:00pm to 5:00am)
• Newton Road westbound on-ramp, 19-20 March

UPPER HARBOUR MOTORWAY (SH18)

•  Eastbound lanes between Tauhinu Road off-ramp and Albany Highway on-ramp, 17-20 March
• Greenhithe Road eastbound on-ramp, 17-20 March

SOUTHWESTERN MOTORWAY (SH20)

•  Queenstown Road southbound on-ramp, 16-17 March
• Neilson Street southbound off-ramp, 16-17 March