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, 26 July 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 Orewa off-ramp and Silverdale on-ramp, 25 July
• Orewa southbound on-ramp, 25 July
• Millwater southbound on-ramp, 25 July
• Northbound lanes between Silverdale off-ramp and Orewa on-ramp, 24-25 July
• Silverdale northbound on-ramp, 24-25 July
• Southbound lanes between Silverdale off-ramp and Oteha Valley Road on-ramp, 21-23 July
• Silverdale southbound on-ramp, 21-23 July
• Esmonde Road northbound off-ramp, 24 July (approx. 10:00pm to 5:00am)
• Northbound lanes between Onewa Road off-ramp and Northcote Road on-ramp, 21 July (approx. 10:00pm to 5:00am)
• Esmonde Road (Diamond) northbound on-ramp, 21 July
• Esmonde Road (Loop) northbound on-ramp, 21 July
• Onewa Road northbound on-ramp, 21 July
• Onewa Road southbound on-ramp, 24-25 July
• Shelly Beach Road southbound off-ramp, 24-25 July

CENTRAL MOTORWAY JUNCTION (CMJ)

• SH1 northbound to SH16 eastbound (Port) link, 21-25 July (10:00pm to 5:00am)
• Eastbound lanes between Wellesley Street East (SH1) off-ramp and Alten Road, 21-25 July (approx. 10:00pm to 5:00am)
• Eastbound lanes between Wellesley Street East (SH16) off-ramp and Alten Road, 21-25 July (approx. 10:00pm to 5:00am)
• Grafton Road eastbound on-ramp, 21-25 July (approx. 10:00pm to 5:00am)

SOUTHERN MOTORWAY (SH1)

• Southbound lanes between Takanini off-ramp and Papakura on-ramp, 24-25 July (approx. 9:30pm to 5:30am)
• Takanini southbound on-ramp, 24-25 July (approx. 9:30pm to 5:30am)
• Northbound lanes between Drury/SH22 off-ramp and Takanini on-ramp, 21 & 24-25 July 
• Papakura (Diamond) northbound on-ramp, 21 & 24-25 July
• Papakura (Loop) northbound on-ramp, 21 & 24-25 July
• Northbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 23 July
• Drury/SH22 northbound on-ramp, 21-25 July
• Northbound lanes between Ramarama off-ramp and Papakura on-ramp, 22 July
• Ramarama northbound on-ramp, 22 July
• Pioneer Road northbound off-ramp, 19 July (approx. 12 Midnight to 5:00pm)
• Northbound lanes between Mercer off-ramp and Mercer on-ramp, 25 July (approx. 10:00pm to 5:00am)
• Southbound lanes between Mercer off-ramp and Mercer on-ramp, 25 July (approx. 10:00pm to 5:00am)

NORTHWESTERN MOTORWAY (SH16)

• Southbound lanes between Foster Road and Trigg Road, 21-25 July (approx. 8:00pm to 5:00am)
• Northbound lanes between Trigg Rd and Foster Road, 21-25 July (approx. 8:00pm to 5:00am)
• Patiki Road northbound on-ramp, 23-24 July

SOUTHWESTERN MOTORWAY (SH20)

• Northbound lanes between Hillsborough Road off-ramp and Maioro Street on-ramp, 23 July (approx. 10:00pm to 5:00am)
• Dominion Road northbound on-ramp, 23 July
• Hillsborough Road northbound on-ramp, 23 July
• Northbound lanes between Neilson Street off-ramp and Hillsborough Road on-ramp, 22 July (approx. 10:00pm to 5:00am)
• Neilson Street northbound on-ramp, 22 July
• Northbound lanes between Massey Road off-ramp and Rimu Road on-ramp, 24 July (approx. 10:00pm to 5:00am)
• Coronation Road northbound on-ramp, 24 July
• SH20 northbound to SH20A southbound link, 24 July (approx. 10:00pm to 5:00am)
• Massey Road northbound on-ramp, 24 July

GEORGE BOLT MEMORIAL DRIVE (SH20A)

• Northbound lanes between Kirkbride Road off-ramp and SH20A/SH20 link, 24 July
• SH20A northbound to SH20 northbound link, 24 July
• Kirkbride Road northbound on-ramp, 24 July

Please follow the signposted detours. NZ Transport Agency thanks you for your co-operation during these essential improvements and maintenance.