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)Greville Road southbound on-ramp, 23 OctoberNorthbound lanes between Constellation Drive off-ramp and Oteha Valley Road on-ramp, 19 October (approx. 10:00pm to 5:00am)Greville Road northbound on-ramp, 19 OctoberConstellation Drive northbound on-ramp, 19 OctoberNorthbound lanes between Northcote Road off-ramp and Constellation Drive on-ramp, 20 October (approx. 10:00pm to 5:00am)Tristram Avenue northbound on-ramp, 20 October (approx. 9:30pm to 5:00am)Northcote Road northbound on-ramp, 20 October (approx. 9:30pm to 5:00am)Southbound lanes between Northcote Road off-ramp and Onewa Road on-ramp, 19 OctoberNorthcote Road southbound on-ramp, 19 OctoberEsmonde Road southbound on-ramp, 19 OctoberNorthbound lanes between Onewa Road off-ramp and Northcote Road on-ramp, 21 October (approx. 10:00pm to 5:00am)Esmonde Road (Diamond) northbound on-ramp, 21 OctoberEsmonde Road (Loop) northbound on-ramp, 21 OctoberOnewa Road northbound on-ramp, 21 OctoberOnewa Road northbound on-ramp, 22-23 OctoberCurran Street northbound on-ramp, 20-23 October SOUTHERN MOTORWAY (SH1)Khyber Pass Road southbound on-ramp, 19-20 OctoberSouthbound lanes between Ellerslie-Panmure Highway off-ramp and Mt Wellington Highway on-ramp, 23 October (approx. 10:00pm to 5:00am)Ellerslie-Panmure Highway southbound on-ramp, 23 OctoberNorthbound lanes between East Tamaki Road off-ramp and Highbrook Drive on-ramp, 22 October (approx. 10:00pm to 5:00am)East Tamaki Road northbound on-ramp, 22 OctoberNorthbound lanes between Takanini off-ramp and Hill Road on-ramp, 19-20 OctoberTakanini northbound on-ramp, 19-20 OctoberDrury/SH22 northbound off-ramp, 19-20 OctoberBombay southbound off-ramp, 19-23 October (approx. 9:30pm to 5:00am)Bombay southbound on-ramp, 21-22 October (approx. 8:00pm to 5:00am)Beaver Road southbound off-ramp, 21-22 October (approx. 8:00pm to 5:00am)Beaver Road southbound on-ramp, 21-22 October (approx. 8:00pm to 5:00am)Nikau Road southbound off-ramp, 21-22 October (approx. 8:00pm to 5:00am)Southbound lanes between Mercer off-ramp and Mercer on-ramp, 20 & 22 OctoberNorthbound lanes between Mercer off-ramp and Mercer on-ramp, 20 & 22 October NORTHWESTERN MOTORWAY (SH16)Southbound lanes between Waimauku roundabout and Foster Road, 20-23 October (approx. 8:00pm to 5:00am)Northbound lanes between Foster Road and Waimauku roundabout, 20-23 October (approx. 8:00pm to 5:00am)Southbound lanes between Foster Road and Trigg Road, 19 October (approx. 8:00pm to 5:00am)Northbound lanes between Trigg Road and Foster Road, 19 October (approx. 8:00pm to 5:00am)Hobsonville Road northbound off-ramp, 19-23 October UPPER HARBOUR MOTORWAY (SH18)Eastbound lanes between Albany Highway off-ramp and Paul Mathews Road, 19 October (approx. 10:00pm to 5:00am)Albany Highway eastbound on-ramp, 19 OctoberSH18 eastbound to SH1 northbound link, 19 October (approx. 10:00pm to 5:00am) SOUTHWESTERN MOTORWAY (SH20)Northbound lanes between Cavendish Drive off-ramp and Massey Road on-ramp, 23 October (approx. 10:00pm to 5:00am)Puhinui Road northbound on-ramp, 23 OctoberCavendish Drive northbound on-ramp, 23 OctoberSouthbound lanes between Puhinui Road off-ramp and Lambie Drive on-ramp, 22 October (approx. 10:00pm to 5:00am)Puhinui Road southbound on-ramp, 22 OctoberCavendish Drive southbound on-ramp, 22 October GEORGE BOLT MEMORIAL DRIVE (SH20A)Southbound lanes between Kirkbride Road off-ramp and Landing Drive, 21-22 October (approx. 10:00pm to 5:00am)Kirkbride Road southbound on-ramp, 21-22 October STATE HIGHWAY 22 (SH22)Westbound lanes between Drury/SH22 interchange and Great South Road, 19-23 OctoberEastbound lanes between Great South Road and Drury/SH22 interchange, 19-23 October