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, 18 October 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, 13 & 15 October
• Orewa southbound on-ramp, 13 & 15 October
• Millwater southbound on-ramp, 13 & 15 October
• Southbound lanes between Orewa off-ramp and Oteha Valley Road on-ramp, 14 October
• Orewa southbound on-ramp, 14 October
• Millwater southbound on-ramp, 14 October
• Silverdale southbound on-ramp, 14 October
• Northbound lanes between Oteha Valley Road off-ramp and Orewa on-ramp, 13-15 October (approx. 10:00pm to 5:00am)
• Silverdale northbound on-ramp, 13-15 October
• Oteha Valley Road northbound on-ramp, 13-15 October
• Southbound lanes between Oteha Valley Road off-ramp and Constellation Drive on-ramp, 13 October (approx. 10:00pm to 5:00am)
• Oteha Valley Road southbound on-ramp, 13 October (approx. 10:00pm to 5:00am)
• Greville Road southbound on-ramp, 13 October (approx. 10:00pm to 5:00am)
• SH1 southbound to SH18 westbound link, 13 October (approx. 10:00pm to 5:00am)
• Northbound lanes between Constellation Drive off-ramp and Oteha Valley Road on-ramp, 16 October (approx. 10:00pm to 5:00am)
• Greville Road northbound on-ramp, 16 October
• Constellation Drive northbound on-ramp, 16 October
• Northbound lanes between Northcote Road off-ramp and Constellation Drive on-ramp, 17 October (approx. 10:00pm to 5:00am)
• Tristram Avenue northbound on-ramp, 17 October
• Northcote Road northbound on-ramp, 17 October
• Onewa Road southbound off-ramp, 13 October
• Onewa Road southbound on-ramp, 13 October
• Onewa Road northbound on-ramp, 13 October

CENTRAL MOTORWAY JUNCTION (CMJ)

• Eastbound lanes between Wellesley Street East (SH1) off-ramp and Alten Road, 17 October (approx. 10:00pm to 5:00am)
• Eastbound lanes between Wellesley Street East (SH16) off-ramp and Alten Road, 17 October (approx. 10:00pm to 5:00am)
• Grafton Road eastbound on-ramp, 17 October (approx. 10:00pm to 5:00am)

SOUTHERN MOTORWAY (SH1)

• Southbound lanes between Takanini off-ramp and Drury/SH22 on-ramp, 13-17 October (approx. 9:30pm to 5:30am)
• Takanini southbound on-ramp, 13-17 October (approx. 9:30pm to 5:30am)
• Papakura (Diamond) southbound on-ramp, 13-17 October (approx. 9:30pm to 5:30am)
• Papakura (Loop) southbound on-ramp, 13-17 October (approx. 9:30pm to 5:30am)
• Northbound lanes between Papakura off-ramp and Takanini on-ramp, 15-16 October
• Papakura (Diamond) northbound on-ramp, 15-16 October
• Papakura (Loop) northbound on-ramp, 15-16 October
• Northbound lanes between Drury/SH22 off-ramp and Takanini on-ramp, 17 October
• Papakura (Diamond) northbound on-ramp, 17 October
• Papakura (Loop) northbound on-ramp, 17 October
• Drury/SH22 northbound on-ramp, 17 October
• Northbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 13 October
• Drury/SH22 northbound on-ramp, 13-13 October
• Bombay southbound off-ramp, 13-17 October
• Bombay northbound off-ramp, 13-17 October
• Pokeno southbound off-ramp, 16-17 October
• Pokeno southbound on-ramp, 16-17 October
• Pioneer Road southbound off-ramp, 16-17 October
• Southbound lanes between Hampton Downs off-ramp and Te Kauwhata on-ramp, 17 October
• Hampton Downs southbound on-ramp, 17 October

NORTHWESTERN MOTORWAY (SH16)

• Southbound lanes between Waimauku Roundabout and Foster Road, 13-14 October (approx. 8:00pm to 5:00am)
• Northbound lanes between Foster Road and Waimauku Roundabout, 13-14 October (approx. 8:00pm to 5:00am)
• Lincoln Road northbound on-ramp, 15-16 October
• SH16 eastbound to SH20 southbound link (Waterview southbound tunnel closed), 14 October
• Great North Road eastbound off ramp (Waterview southbound tunnel closed), 14 October
• SH16 westbound to SH20 southbound link (Waterview southbound tunnel closed), 14 October

UPPER HARBOUR MOTORWAY (SH18)

• Eastbound lanes between Albany Highway off-ramp and Paul Matthews Road, 16 October (approx. 10:00pm to 5:00am)
• SH18 eastbound to SH1 northbound link, 16 October (approx. 10:00pm to 5:00am)
• Albany Highway westbound on-ramp, 16 October
• Westbound lanes between Paul Matthews Road and Albany Highway on-ramp, 13 October (approx. 10:00pm to 5:00am)
• Paul Matthews Road westbound on-ramp, 13 October (approx. 10:00pm to 5:00am)

SOUTHWESTERN MOTORWAY (SH20)

• Northbound lanes between Maioro Street off-ramp and SH16 links (Waterview northbound tunnel closed), 15-16 October
• Maioro Street northbound on-ramp (Waterview northbound tunnel closed), 15-16 October
• Dominion Road northbound off-ramp, 14-17 October

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