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, 4 April 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 Silverdale off-ramp and Oteha Valley Road on-ramp, 1-3 April
• Silverdale southbound on-ramp, 1-3 April
• Northbound lanes between Oteha Valley Road off-ramp and Silverdale on-ramp, 1-3 April
• Oteha Valley Road northbound on-ramp, 1-3 April
• Onewa Road northbound off-ramp, 30 March - 3 April (approx. 10:00pm to 5:00am)
• Stafford Road northbound off-ramp, 30 March - 3 April
• Curran Street northbound on-ramp, 30 March - 3 April

CENTRAL MOTORWAY JUNCTION (CMJ)

• Westbound lanes between Tamaki Drive and Beach Road/Parnell Rise, 30 March – 1 April & 3 April (approx. 10:00pm to 5:00am)
• Westbound lanes between Tamaki Drive and Beach Road/Parnell Rise, 2 April (approx. 11:59pm to 5:00am)
• Eastbound lanes between Beach Road and Tamaki Drive, 30 March – 1 April & 3 April (approx. 10:00pm to 5:00am)
• Eastbound lanes between Beach Road and Tamaki Drive, 2 April (approx. 11:59pm to 5:00am)

SOUTHERN MOTORWAY (SH1)

• Papakura (Diamond) northbound on-ramp, 30 March - 1 April
• Papakura (Loop) southbound on-ramp, 30 March - 1 April
• Southbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 2-3 April
• Papakura (Loop) southbound on-ramp, 2-3 April
• Papakura (Diamond) southbound on-ramp, 2-3 April
• Northbound lanes between Ramarama off-ramp and Papakura on-ramp, 2-3 April
• Drury/SH22 northbound on-ramp, 2-3 April
• Ramarama northbound on-ramp, 2-3 April
• Northbound lanes between Ramarama off-ramp and Drury/SH22 on-ramp, 31 March
• Ramarama northbound on-ramp, 31 March
• Drury/SH22 southbound off-ramp, 30-1 April
• Drury/SH22 southbound on-ramp, 30-1 April
• Southbound lanes between Mercer off-ramp and Mercer on-ramp, 2 April (approx. 10:00pm to 5:00am)
• Northbound lanes between Mercer off-ramp and Mercer on-ramp, 2 April (approx. 10:00pm to 5:00am)

NORTHWESTERN MOTORWAY (SH16)

• Southbound lanes between Waimauku roundabout and Trigg Road, 1 April (approx. 8:00pm to 5:00am)
• Northbound lanes between Trigg Road and Waimauku roundabout, 1 April (approx. 8:00pm to 5:00am)
• Southbound lanes between Brigham Creek Road Roundabout and Hobsonville Road on-ramp, 30 March (approx. 10:00pm to 5:00am)
• Newton Road westbound on-ramp, 30 March - 3 April

UPPER HARBOUR MOTORWAY (SH18)

• Westbound lanes between Albany Highway off-ramp and Tauhinu Road on-ramp, 31 March
• Albany Highway westbound on-ramp, 31 March
• Squadron Drive westbound off-ramp, 31 March
• Eastbound lanes between Tauhinu Road off-ramp and Albany Highway on-ramp, 31 March
• Greenhithe Road eastbound on-ramp, 31 March
• Westbound lanes between Squadron Drive off-ramp and Hobsonville Road on-ramp, 30 March (approx. 10:00pm to 5:00am)
• Brigham Creek Road westbound on-ramp, 30 March
• SH18 westbound to SH16 southbound link, 30 March

SOUTHWESTERN MOTORWAY (SH20)

• Northbound lanes between Cavendish Drive off-ramp and Kirkbride Road on-ramp, 3 April (approx. 10:00pm to 5:00am)
• SH20 northbound to SH20A southbound link, 3 April (approx. 10:00pm to 5:00am)
• Massey Road northbound on-ramp, 3 April
• Puhinui Road northbound on-ramp, 3 April
• Cavendish Drive northbound on-ramp, 3 April
• Northbound lanes between Cavendish Drive off-ramp and Massey Road on-ramp, 2 April (approx. 10:00pm to 5:00am)
• Puhinui Road northbound on-ramp, 2 April
• Cavendish Drive northbound on-ramp, 2 April

STATE HIGHWAY 2 (SH2)

• Eastbound lanes between Mangatawhiri off-ramp and Rawiri Road, 2 April
• Westbound lanes between Rawiri Road and Mangatawhiri Road, 2 April
• Mangatangi westbound off-ramp, 2 April
• Koheroa Road westbound off-ramp, 2 April
• Koheroa Road westbound on-ramp, 2 April