Northern Motorway
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| Image:Northern Motorway.PNG | |
| Northern Motorway | |
| State Highway Number | State Highway 1A State Highway 1 |
| Length | 32 km 20 miles |
| Direction | North - South |
| Start | Orewa Grand Drive |
| Primary destinations | Orewa, Silverdale, Albany, Takapuna, Auckland City, |
| End | Auckland City Southern Motorway |
| Construction dates | 1959 - 2009 |
| State Highways joined | Exit 398 State Highway 1 State Highway 17 Exit 412 Stste Highway 17 Exit 414 State Highway 18 |
The Northern Motorway, part of SH 1 for most of its length, is the major northern route out of Auckland in New Zealand. 32 km in length with 14 junctions (including termini), it runs from Orewa, north of Auckland, passing through rural areas until Albany, through the suburbs of North Shore, over the Auckland Harbour Bridge to the Central Motorway Junction in downtown Auckland. It is currently being extended to join SH 1 near Puhoi, bypassing several urban coastal areas and decreasing traffic times. The extension is proposed to be completed by 2009.
[edit] Interchanges
| Exit number | Exit name | Exit direction |
|---|---|---|
| Terminus | Orewa | Northbound / Southbound |
| 398 | Silverdale | Northbound / Southbound |
| 410 | Oteha Valley Road | Northbound / Southbound |
| 412 | Albany (SH 17) | Northbound / Southbound |
| 414 | Upper Harbour Highway (SH 18) | Northbound / Southbound |
| 417 | Tristram Ave | Northbound / Southbound |
| 419 | Northcote Road | Northbound / Southbound |
| 420 | Esmonde Road | Northbound / Southbound |
| 421 | Onewa Road | Northbound / Southbound |
| 422 | Stafford Road | Northbound only |
| 423 | Shelly Beach Road | Southbound only |
| 424 | Fanshawe Street | Southbound only |
| 425 | Cook Street | Southbound only |
| Terminus | Southern Motorway, Central Motorway Junction | Southbound |
