State Highway 18 (New Zealand): Difference between revisions
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{{short description|Road in New Zealand}}
{{Use dmy dates|date=June 2015}}
{{Use New Zealand English|date=June 2015}}
{{infobox road
|country=NZL
|type=SH
|route=18
|alternate_name=
|map= {{maplink|frame=yes|plain=yes|frame-align=center|frame-width=300|frame-height=300|frame-lat=-36.78|frame-long=174.68|zoom=11|type=line}}
|map_custom= yes
|map_notes=
|length_km=14
|direction_a=North-east
|terminus_a=
|destinations= [[Greenhithe, New Zealand|Greenhithe]], [[Hobsonville]]
|direction_b=South-west
|terminus_b=
|previous_type=SH
|previous_route=17
Line 17 ⟶ 22:
}}
[[File:Hobsonville, Rural Scenes Giving Way.jpg|thumb|right|
[[
'''State Highway 18''' (
==Route==
==Interchanges==
{{Jcttop |exit |unit=km |state_col=[[Territorial authority]] |nocty=yes}}
{{Jctint|exit
|county_special=[[Auckland Council|Auckland]] – Upper Harbour Local Board
|cspan=10
|location_special= [[Unsworth Heights]]
|lspan=4
|km=0.0
|exit=
|road={{jct|country=NZL|SH|1|name1=[[Auckland Northern Motorway|Northern Motorway]]|dir1=south}} – Auckland
|notes=''SH 18 begins''
}}
{{Jctint|exit
|road={{jct|country=NZL|SH|1|name1=Northern Motorway|dir1=north}} – Whangarei
}}
{{Jctint|exit
|km=0.5
|road=Caribbean Drive<br>Paul Matthews Road
|exit=1
|notes=Eastbound exit and westbound entrance
}}
{{Jctint|exit
|km=2.4
|exit=2
|road=Albany Highway (Urban Route 26)
|notes=''Upper Harbour Motorway begins''
}}
{{Jctint|exit
|location_special= [[Greenhithe, New Zealand|Greenhithe]]
|lspan=3
|km=4.3
|exit=4
|road=Greenhithe Road
|notes=Westbound exit and eastbound entrance
}}
{{Jctint|exit
|km=6.2
|exit=6
|road=Tauhinu Road
|notes=Eastbound exit and Westbound entrance
}}
{{jctbridge|exit
|km=7.4
|place=[[Upper Harbour Bridge]] ([[Waitematā Harbour]])
}}
{{Jctint|exit
|location_special= [[Hobsonville]]
|
|km=8.8
|exit=8
|road=Squadron Drive
|notes=Westbound exit and eastbound entrance
}}
{{Jctint|exit
|km=10.7
|exit=9
|road=Brigham Creek Road – Whenuapai, Wellsford
|notes=to {{jct|country=NZL|SH|16|dir1=north}}
}}
{{Jctint|exit
|km=12.7
|exit=10
|road=Trig Road
|notes=Westbound exit and eastbound entrance
}}
{{Jctint|exit
|county_special=[[Auckland Council|Auckland]] – Henderson-Massey Local Board
|cspan=2
|location_special=[[Westgate, Auckland|Westgate]]
|lspan=2
|km=13.9
|exit=11
|road=Hobsonville Road (Urban Route 32)
|notes=Westbound exit and eastbound entrance
}}
{{Jctint|exit
|km=14.0
|exit=
|road={{jct|country=NZL|SH|16|name1=[[Northwestern Motorway]]|dir1=south}} – Waitakere, Auckland''
|notes=''SH 18 ends''<br>''Upper Harbour Motorway ends''
}}
{{jctbtm|keys=|conv=yes|col=7}}
==Former route==
SH 18 formerly ran along the Coatesville Riverhead Highway, further north than its current position. This route is now designated as [[Auckland urban route network|Auckland Urban Route]] 28.
== Cycleway ==
The route of the new motorway from Upper Harbour Bridge to Westgate was originally to receive a cycleway as well, but
==See also==
*[[List of New Zealand
==References==
{{Reflist}}
==External links==
* [http://www.nzta.govt.nz New Zealand Transport Agency]
{{New Zealand State Highway navbox}}
{{New Zealand motorway list}}
{{Streets in Auckland}}
[[Category:State
[[Category:Transport in the Auckland Region]]
|
Revision as of 01:08, 13 November 2023
State Highway 18 | ||||
---|---|---|---|---|
Route information | ||||
Maintained by NZ Transport Agency | ||||
Length | 14 km (8.7 mi) | |||
Major junctions | ||||
North-east end | SH 1 (Auckland Northern Motorway) at North Shore | |||
South-west end | SH 16 south (Northwestern Motorway) at West Harbour | |||
Location | ||||
Country | New Zealand | |||
Primary destinations | Greenhithe, Hobsonville | |||
Highway system | ||||
|
State Highway 18 (SH 18) is a state highway that runs between the Auckland Northern Motorway (SH 1) on the North Shore and the Northwestern Motorway (SH 16) in West Auckland, New Zealand. The Upper Harbour Motorway forms most of its length as of 2016 (the exception being a two-kilometre stretch at the north-eastern end). SH 18 forms the northern part of the Western Ring Route, which continues from Waitakere south-east to Manukau.
Route
SH 18 begins at the Auckland Northern Motorway and runs southwest as a dual carriageway road, and is coextensive with the Upper Harbour Highway, which after two kilometres 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 Waitematā Harbour over the Upper Harbour Bridge. At Squadron Drive, the highway extends onto a new section of motorway, which opened in August 2011, bypassing Hobsonville Road.[1] This road cuts across in a southwestern direction across farmland to Westgate, where it turns southward and merges with the Northwestern Motorway (SH 16) southbound.
Interchanges
Territorial authority | Location | km | mi | Exit | Destinations | Notes |
---|---|---|---|---|---|---|
Auckland – Upper Harbour Local Board | Unsworth Heights | 0.0 | 0.0 | SH 1 south (Northern Motorway) – Auckland | SH 18 begins | |
SH 1 north (Northern Motorway) – Whangarei | ||||||
0.5 | 0.31 | 1 | Caribbean Drive Paul Matthews Road | Eastbound exit and westbound entrance | ||
2.4 | 1.5 | 2 | Albany Highway (Urban Route 26) | Upper Harbour Motorway begins | ||
Greenhithe | 4.3 | 2.7 | 4 | Greenhithe Road | Westbound exit and eastbound entrance | |
6.2 | 3.9 | 6 | Tauhinu Road | Eastbound exit and Westbound entrance | ||
7.4 | 4.6 | Upper Harbour Bridge (Waitematā Harbour) | ||||
Hobsonville | 8.8 | 5.5 | 8 | Squadron Drive | Westbound exit and eastbound entrance | |
10.7 | 6.6 | 9 | Brigham Creek Road – Whenuapai, Wellsford | to SH 16 north | ||
12.7 | 7.9 | 10 | Trig Road | Westbound exit and eastbound entrance | ||
Auckland – Henderson-Massey Local Board | Westgate | 13.9 | 8.6 | 11 | Hobsonville Road (Urban Route 32) | Westbound exit and eastbound entrance |
14.0 | 8.7 | SH 16 south (Northwestern Motorway) – Waitakere, Auckland | SH 18 ends Upper Harbour Motorway ends | |||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi |
Former route
SH 18 formerly ran along the Coatesville Riverhead Highway, further north than its current position. This route is now designated as Auckland Urban Route 28.
Cycleway
The route of the new motorway from Upper Harbour Bridge to Westgate was originally to receive a cycleway as well, but although the land was set aside, there is no timetable for the construction of the route.[1]
See also
References
- ^ a b "Pedestrians to hit new motorway". Auckland Now. 3 August 2011. Retrieved 27 September 2011.