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Plan Ahead For Northbound Closures On SH20
Overnight road rehabilitation work on State Highway 20 (SH20) northbound between Cavendish Drive and the SH20A link will get underway this week.
Work will be carried out between 10pm and 5am over 10 nights between Wednesday 26 March and Monday 14 April 2025. There will be no work on Friday and Saturday nights.
Work will begin at Cavendish Drive, with a full northbound closure in place on SH20 between Cavendish Drive and Massey Road. Work will then move further north, with a full northbound closure between Massey Road and Walmsley Road, including the link to SH20A.
Stage 1: Full northbound closure on SH20 between Cavendish Drive to Massey Road
During this time the following ramps will be closed.
- Cavendish Drive northbound on-ramp
- Cavendish Drive to Puhinui Road northbound service lane
- Puhinui Road northbound off-ramp and on-ramp
- Massey Road northbound off-ramp
Detour via: Puhinui Road, Wylie Road, Station Road, Buckland Road and Massey Road.
Stage 2: Full northbound closure on SH20 between Massey Road and Airport (SH20A) Link.
During this time the following ramps will be closed.
- Massey Road northbound on-ramp
- SH20 northbound to SH20A southbound link
- SH20A northbound to SH20 northbound link
Detour via:
- For motorists travelling northbound on SH20: Please use the recommended detour via Massey Road, Robertson Road, Walmsley Road, Coronation Road and Rimu Road.
- For motorists travelling from SH20A: Please use the recommended detour via Kirkbride Road, McKenzie Road, Coronation Road and Rimu Road.
These works are weather dependent and may change from advertised dates. To view updates to schedule, go to www.nzta.govt.nz/asm/upcoming-maintenance. For real time updates, visit www.journeys.nzta.govt.nz.
If you would like to stay informed about these and other works, please sign up to our resident email notifications click here.
NZTA thanks everyone for their patience and support while we carry out this important maintenance.
Plan ahead for a safe, enjoyable journey. Keep up to date with:
- Traffic updates: journeys.nzta.govt.nz/traffic
- Facebook: https://www.facebook.com/nztaakl
- X: https://www.twitter.com/nztaaklnth
- Journey planner: journeys.nzta.govt.nz
- Phone: 0800 4 HIGHWAYS (0800 44 44 49)
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