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, 27 September 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 Warkworth Roundabout and Silverdale on-ramp, 22-26 September (approx. 10:00pm to 5:00am)
  • Puhoi southbound on-ramp, 22-26 September
  • Orewa southbound on-ramp, 23 September
  • Millwater southbound on-ramp, 23 September
• Southbound lanes between Orewa off-ramp and Silverdale on-ramp, 22 & 24-26 September
  • Orewa southbound on-ramp, 22-26 September
  • Millwater southbound on-ramp, 22-26 September
• Northbound lanes between Silverdale off-ramp and Warkworth Roundabout, 22-26 September (approx. 10:00pm to 5:00am)
  • Orewa northbound on-ramp, 22-26 September
  • Silverdale northbound on-ramp, 22-26 September
• Northbound lanes between Silverdale off-ramp and Orewa on-ramp, 24 September (approx. 09:00pm to 10:00pm)
  • Orewa northbound on-ramp, 24 September
  • Silverdale northbound on-ramp, 24 September
• Onewa Road northbound off-ramp, 25-26 September
• Curran Street northbound on-ramp, 25-26 September
• Stafford Road northbound off-ramp, 25-26 September

CENTRAL MOTORWAY JUNCTION (CMJ)

• Eastbound lanes between Wellesley Street East (SH1) off-ramp and Alten Road, 25-26 September (approx.10:00pm to 5:00am)
• Eastbound lanes between Wellesley Street East (SH16) off-ramp and Alten Road, 25-26 September (approx.10:00pm to 5:00am)
• Grafton Road eastbound on-ramp, 25-26 September (approx.10:00pm to 5:00am)

SOUTHERN MOTORWAY (SH1)

• Southbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 25 September
  • Papakura (Loop) southbound on-ramp, 25 September
  • Papakura (Diamond) southbound on-ramp, 25 September
• Drury/SH22 southbound off-ramp, 22-24 September
• Northbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 26 September
  • Drury/SH22 northbound on-ramp, 26 September
• Bombay southbound off-ramp, 22-26 September
• Bombay northbound off-ramp, 22-26 September
• Southbound lanes between Mercer off-ramp and Mercer on-ramp, 25 September (approx.10:00pm to 5:00am)
• Northbound lanes between Mercer off-ramp and Mercer on-ramp, 25 September (approx.10:00pm to 5:00am)

NORTHWESTERN MOTORWAY (SH16)

• Southbound lanes between Waimauku Roundabout and Trigg Road, 22 September (approx.6:00pm to 6:00am)
• Northbound lanes between Trigg Road and Waimauku Roundabout, 22 September (approx.6:00pm to 6:00am)
• Southbound lanes between Waimauku Roundabout and Trigg Road, 23-26 September (approx.8:00pm to 5:00am)
• Northbound lanes between Trigg Road and Waimauku Roundabout, 23-26 September (approx.8:00pm to 5:00am)
• Southbound lanes between Station Road and Tapu Road, 27 September (approx. 7:00pm to 5:00am)
• Northbound lanes between Tapu Road and Station Road, 27 September (approx. 7:00pm to 5:00am)
• Southbound lanes between Station Road and Tapu Road, 28-29 September (approx. 24hrs)
• Northbound lanes between Tapu Road and Station Road, 28-29 September (approx.24hrs)
• Southbound lanes between Brigham Creek Roundabout and Hobsonville Road on-ramp, 22 September (approx.10:00pm to 5:00am)
• Te Atatu Road (Loop) southbound on-ramp, 23-25 September

UPPER HARBOUR MOTORWAY (SH18)

• Westbound lanes between Albany Highway off-ramp and Tauhinu Road on-ramp, 23 September
  • Albany Highway westbound on-ramp, 23 September
  • Squadron Drive westbound off-ramp, 23 September
• Eastbound lanes between Tauhinu Road off-ramp and Albany Highway on-ramp, 23 September
  • Greenhithe Road eastbound on-ramp, 23 September
• Eastbound lanes between Tauhinu Road off-ramp and Albany Highway on-ramp, 24 September
  • Greenhithe Road eastbound on-ramp, 24 September
• Westbound lanes between Squadron Drive off-ramp and Hobsonville Road on-ramp, 22 September (approx.10:00pm to 5:00am)
  • Brigham Creek Road westbound on-ramp, 22 September
  • SH18 westbound to SH16 southbound link, 22 September (approx.10:00pm to 5:00am)

SOUTHWESTERN MOTORWAY (SH20)

• Hillsborough Street southbound on-ramp, 24 September
• Neilson Street southbound on-ramp, 24 September
• Southbound lanes between Massey Road off-ramp and Puhinui Road on-ramp, 23 & 25 September (approx.10:00pm to 5:00am)
• Massey Road southbound on-ramp, 23 & 25 September
• Northbound Service Road (Cavendish Drive to Puhinui Road), 23 September (approx.10:00pm to 5:00am)

STATE HIGHWAY 2 (SH2)

• Mangatawhiri eastbound off-ramp, 24 September (approx.10:00pm to 5:00am)
• Eastbound lanes between Mangatawhiri off-ramp and Rawiri Road, 25 September
  • Koheroa Road westbound on-ramp, 25 September
  • Mangatangi westbound off-ramp, 25-26 September
• Westbound lanes between Rawiri Road and Mangatawhiri, 25 September