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{{New Zealand State Highway infobox
{{infobox road
| shield-image-file=
|country=NZL
⚫
| shield-size=
|type=SH
| state-highway-number=18
|route=18
|map=
| map-image-file=
| map-size=
|map_notes=
|length_km=14
| length-km=14
| length-mi=9
|direction_a=
| direction=Northeast-Southwest
|terminus_a= [[State Highway 1 (New Zealand)|SH 1]] [[Northern Motorway]], [[Meadowood, New Zealand|Meadowood]], [[North Shore City]]
| start= [[SH 1]] [[Northern Motorway]]<br>[[Meadowood, New Zealand|Meadowood]], [[North Shore City]]
|cities= [[Greenhithe]], [[Hobsonville]]
| destinations= [[Greenhithe]], [[Hobsonville]]
|direction_b=
|terminus_b=[[State Highway 16 (New Zealand)|SH 16]] [[Northwest Motorway]], [[West Harbour]], [[Waitakere City]]
| end=[[SH 16]] [[Northwest Motorway]]<br>[[West Harbour]], [[Waitakere City]]
| single-percent=43
| dual-percent=14
| mway-percent=43
| tourist-routes= ''None''
}}
}}
[[File:Hobsonville, Rural Scenes Giving Way.jpg|thumb|right|As of early 2010, large parts of State Highway 18 remain a standard, mostly rural highway.]]
[[File:Hobsonville, Rural Scenes Giving Way.jpg|thumb|right|As of early 2010, large parts of State Highway 18 remain a standard, mostly rural highway.]]
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As of 2008, State Highway 18 begins at the [[Northern Motorway]] as a dual carriageway road. Heading west on Upper Harbour Highway, after two kilometres it becomes a motorway at the Albany Highway interchange. This four-lane section of motorway opened in December 2007, and bypassed the single carriageway Upper Harbour Drive. The motorway heads south-west, crossing the upper reaches of the [[Waitemata Harbour]] over the Upper Harbour Bridge. The motorway ends at Buckley Avenue, and State Highway 18 follows the single carriageway Hobsonville Road. State Highway 18 runs north of the suburb of Hobsonville, before meeting [[New Zealand State Highway 16|State Highway 16]] at the end of the [[Northwestern Motorway]].
As of 2008, State Highway 18 begins at the [[Northern Motorway]] as a dual carriageway road. Heading west on Upper Harbour Highway, after two kilometres it becomes a motorway at the Albany Highway interchange. This four-lane section of motorway opened in December 2007, and bypassed the single carriageway Upper Harbour Drive. The motorway heads south-west, crossing the upper reaches of the [[Waitemata Harbour]] over the Upper Harbour Bridge. The motorway ends at Buckley Avenue, and State Highway 18 follows the single carriageway Hobsonville Road. State Highway 18 runs north of the suburb of Hobsonville, before meeting [[New Zealand State Highway 16|State Highway 16]] at the end of the [[Northwestern Motorway]].


{{-}}
==Upper Harbour Motorway==
==Upper Harbour Motorway==
{{New Zealand motorway
{{infobox road small
⚫
| motorway= Upper Harbour Motorway
⚫
|shield=none
| image-file=
⚫
|name= Upper Harbour Motorway
| image-size= 250px
|length_km= 6
| image-caption=
|location= [[Cuthill]], Albany Highway Interchange –<br/>[[Hobsonville]], Buckley Ave
| state-highway= State Highway 18
|formed= 2007
| length-km= 6
| length-mi= 4
| direction= Northeast - Southwest
| start= [[Cuthill]] <br> Albany Highway Interchange
| destinations= [[Greenhithe]]
| end= [[Hobsonville]] <br> Buckley Ave
| opening-date= 2007
| completion-date=
| junctions= ''None''
}}
}}


Revision as of 23:36, 3 July 2010

Template:New Zealand State Highway infobox

As of early 2010, large parts of State Highway 18 remain a standard, mostly rural highway.

State Highway 18 is a State Highway linking North Shore City and Waitakere City in Auckland, New Zealand. It is the northern part of the Western Ring Route. State Highway 18 formerly ran along the Coatesville Riverhead Highway, further north than its current position.

Route

As of 2008, State Highway 18 begins at the Northern Motorway as a dual carriageway road. Heading west on Upper Harbour Highway, after two kilometres it becomes a motorway at the Albany Highway interchange. This four-lane section of motorway opened in December 2007, and bypassed the single carriageway Upper Harbour Drive. The motorway heads south-west, crossing the upper reaches of the Waitemata Harbour over the Upper Harbour Bridge. The motorway ends at Buckley Avenue, and State Highway 18 follows the single carriageway Hobsonville Road. State Highway 18 runs north of the suburb of Hobsonville, before meeting State Highway 16 at the end of the Northwestern Motorway.

Upper Harbour Motorway

Template:New Zealand motorway

The Upper Harbour Motorway is the name of the motorway section of State Highway 18. The first section opened in December 2007, and the second section, west of the first section, will open in 2012.

The Upper Harbour Motorway is currently six kilometres long with four junctions (including termini).

Interchanges

Territorial authority Location Exit Destinations Notes
Terminates onto Upper Harbour Highway at Albany Highway interchange
North Shore City 2 Albany Highway
4 Greenhithe Road Eastbound exit and westbound entrance
6 Tauhinu Road Westbound exit and eastbound entrance
Upper Harbour Bridge
Waitakere City 8 Squadron Drive Currently at-grade. Will be upgraded to grade-separated interchage (westbound exit and eastbound entrance) on opening of extension west in 2012.
Currently terminates onto Hobsonville Road at Buckley Avenue
Waitakere City Brigham Creek Road Opens 2012
Trig Road Opens 2012
Westbound exit and eastbound entrance
Westgate Hobsonville Road
Hobsonville 		Opens 2012
Westbound exit and eastbound entrance
From 2012, terminates onto SH 16 Northwest Motorway southbound at Westgate

See also

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