Interchanges
| Territorial authority | Location | km | # | Destinations | Notes |
|---|---|---|---|---|---|
| Auckland Council | Parnell | 1.2 | SH 16 Stanley Street – Port | Northwestern Motorway ends | |
| Grafton | 1.7 | 2 | SH 1 Southern Motorway – Manukau, Hamilton | Westbound exit and eastbound entrance | |
| 1.8 | 2A | Wellesley Street | Eastbound exit and westbound entrance | ||
| Auckland CBD | 2.8 | 3 | SH 1 Northern Motorway – North Shore, Whangarei | Westbound exit and eastbound entrance | |
| 3.2 | 4C | SH 1 Southern Motorway – Manukau, Hamilton | Eastbound exit and westbound entrance | ||
| 3.3 | 4B | Nelson Street – City Centre, Sky City | Eastbound exit and westbound entrance | ||
| 4A | SH 1 Northern Motorway – North Shore, Whangarei | Eastbound exit and westbound entrance | |||
| Newton | 3.5 | 5 | Newton Road | Eastbound exit and westbound entrance | |
| Western Springs | 6.3 | 6 | Route 9 St Lukes Road – Mt Albert, Western Springs, Pt Chevalier Zoo, MOTAT |
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| Point Chevalier | 8.1 | 8 | Route 11 Great North Road – Avondale, New Lynn | ||
| Proposed junction with SH20 Waterview Connection Will be integrated with current Great North Road junction (Exit 8) |
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| Avondale North | 10.8 | 11 | Rosebank Road | Westbound exit and eastbound entrance | |
| 12.3 | 12 | Patiki Road – Avondale, New Lynn | Eastbound exit and westbound entrance | ||
| Te Atatu South | 13.5 | 14 | Route 13 Te Atatu Road – Henderson | ||
| Lincoln North | 15.6 | 16 | Route 19 Lincoln Road – Henderson | ||
| Massey East | 17.8 | 18 | Royal Road | Westbound exit and eastbound entrance | |
| Westgate | 19.4 | Route 32 Hobsonville Road | Westbound exit and eastbound entrance | ||
| SH 18 Upper Harbour Motorway – North Shore | Westbound exit and eastbound entrance | ||||
| Whenuapai | SH 16 – Kumeu, Helensville | Northwestern Motorway ends | |||
Read more about this topic: Northwestern Motorway