State Highway 1 (New Zealand)

State Highway 1 (SH 1) is the longest and most significant road in the New Zealand road network, running the length of both main islands. It appears on road maps as SH 1 and on road signs as a white number 1 on a red shield, but it has the official designations SH 1N in the North Island, SH 1S in the South Island.

State Highway 1
Route information
Maintained by NZ Transport Agency
Length2,033 km (1,263 mi)
Tourist
routes
Twin Coast Discovery Highway
Thermal Explorer Highway
Classic New Zealand Wine Trail
Alpine Pacific Triangle
Southern Scenic Route
North Island (SH 1N)
Length1,081 km (672 mi)
North endCape Reinga / Te Rerenga Wairua
Major intersections SH 2 south near Pōkeno
SH 5 north at Wairakei
SH 5 south (Napier-Taupō Highway) at Taupō
SH 3 north (Bridge Street) at Bulls
SH 3 south (Dundas Street) at Sanson
SH 2 north (Hutt Road) at Ngauranga Interchange
South end Wellington International Airport
South Island (SH 1S)
Length952 km (592 mi)
North end Picton railway station
Major intersections SH 6 south (Nelson Street) at Blenheim
SH 7 (Waipara Flat Road) at Waipara
SH 8 south (Racecourse Road) at Washdyke
SH 8 north (Manuka Gorge Highway) at Clarksville
SH 6 north (Dee Street) at Invercargill
South endBluff (Stirling Point)
Location
CountryNew Zealand
Primary
destinations
Whangārei, North Shore, Auckland, Manukau, Hamilton, Taupō, Porirua, Wellington, Picton, Blenheim, Christchurch, Ashburton, Timaru, Oamaru, Dunedin, Gore, Invercargill
Highway system
SH 99 SH 2

SH 1 is 2,006 kilometres (1,246 mi) long, 1,074 km (667 mi) in the North Island[1] and 932 km (579 mi) in the South Island.[2] Since 2010 new roads have reduced the length from 2,033 km (1,263 mi).[3] For the majority of its length it is a two-lane single carriageway, with at-grade intersections and property accesses, in both rural and urban areas. These sections have some passing lanes. Around 315 km (196 mi) of SH 1 is of motorway or expressway standard as of August 2022: 281 km (175 mi) in the North Island and 34 km (21 mi) in the South Island.


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This article uses material from the Wikipedia article State Highway 1 (New Zealand), and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.