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State Highway 17
Dairy Flat Highway in Albany, formerly State Highway 17
Route information
Maintained by NZ Transport Agency
Length	32.9 km (20.4 mi)
Major junctions
North end	SH 1 at Puhoi
South end	SH 1 at Albany
Location
Country	New Zealand
Primary destinations	Waiwera, Orewa, Silverdale, Whangaparaoa Peninsula
Highway system
New Zealand state highways Motorways and expressways List
← SH 16 → SH 18

State Highway 17 (SH 17) was the designation for a 32-kilometre stretch of highway in northern Auckland in the North Island of New Zealand from December 1999 to October 2012, now designated as Urban Route 31. It consists of the Hibiscus Coast Highway, Dairy Flat Highway and Albany Expressway, and links State Highway 1 at Puhoi in the north with SH 1 at Albany in the south. Its main destinations are (from north to south) the towns of Waiwera, Orewa, Red Beach, Whangaparaoa, Silverdale, Dairy Flat and the suburb of Albany. Prior to its inception as SH 17, the road was part of SH 1, and was redesignated as SH 17 in 1999 when the Northern Motorway was extended northwards and took over the designation of SH 1.

History

SH 17 was part of SH 1 before the extension of the Northern Motorway in the late 1990s. Between December 1999 and January 2009, SH 17 ran from present-day Exit 412 at Greville Road north through Albany and Dairy Flat to the interchange of SH 1, SH 1A and SH 17 at Silverdale (Exit 398).

When the SH 1 Northern Gateway Toll Road opened on 25 January 2009 it replaced both SH1's old route and SH 1A, and SH 17 was extended to replace the latter two roads, although this extension was not signposted.

State Highway 17 was revoked in October 2012 by the NZ Transport Agency because there was no need to maintain SH 1 and SH 17 as close together as they were, especially as most long-distance traffic was taking the SH 1 toll road. Upon revocation, ownership of the road was transferred from the NZ Transport Agency to Auckland Council, with the road to be maintained by Auckland Transport. The route became Urban Route 31.

Route

SH 17 began at the junction with SH 1 just south of Puhoi, at Exit 388. While SH 17 officially started here, it was not signposted until its original (pre-toll road) terminus at Silverdale. SH17 wound over the Johnston Hill and down into the town of Waiwera. From here it became the Hibiscus Coast Highway and continued along the hills, coming down into Hatfields Beach and over another hill into Orewa township.

After crossing the Orewa River, SH 17 arrived at Red Beach, where there are intersections at Red Beach Road and Whangaparaoa Road for Whangaparaoa and other peninsula suburbs. Just outside Silverdale is the intersection with East Coast Road, a third route into Auckland city via Urban Route 25. Almost a kilometre after this is the interchange (Exit 398) with SH 1, the Northern Motorway and Northern Gateway Toll Road. From here SH 17 was signposted through to the city.

SH 17 continued through mostly rural countryside to Albany township, passing through Dairy Flat. Just outside Albany, the surface quality of the highway improves and Botts' dots replace painted lines on the road at the intersection with the Coatesville-Riverhead Highway. As the road enters Albany it becomes the Albany Expressway, running through the township until it meets the Albany Highway, whereupon it becomes a dual carriageway through to its terminus at Greville Road and SH 1.

See also

• List of New Zealand state highways
• List of roads and highways, for notable or famous roads worldwide

References

1. "Auckland Motorways 2008" (PDF). NZ Transport Agency. Retrieved 16 July 2010.
2. ^ "Big changes to Auckland's roading network". NZ Transport Agency. 1 October 2012. Retrieved 2 July 2016.

v t e New Zealand state highways
List of New Zealand state highways List of motorways and expressways in New Zealand
National	SH 1 (incl. SH 1B, SH 1C) SH 2 SH 3 (incl. SH 3A) SH 4 SH 5 SH 6 (incl. SH 6A) SH 7 (incl. SH 7A) SH 8 (incl. SH 8A, SH 8B)
North Island	SH 10 SH 11 SH 12 SH 14 SH 15 SH 16 SH 18 SH 19 SH 20 (incl. SH 20A, SH 20B) SH 21 SH 22 SH 23 SH 24 SH 25 (incl. SH 25A) SH 26 SH 27 SH 28 SH 29 (incl. SH 29A) SH 30 (incl. SH 30A) SH 31 SH 32 SH 33 SH 34 SH 35 SH 36 SH 37 SH 38 SH 39 SH 41 SH 43 SH 44 SH 45 SH 46 SH 47 SH 48 SH 49 SH 50 SH 51 SH 53 SH 54 SH 56 SH 57 SH 58 SH 59
South Island	SH 60 SH 62 SH 63 SH 65 SH 67 (incl. SH 67A) SH 69 SH 71 SH 73 SH 74 (incl. SH 74A) SH 75 SH 76 SH 77 SH 78 SH 79 SH 80 SH 82 SH 83 SH 84 SH 85 SH 86 SH 87 SH 88 SH 90 SH 93 SH 94 SH 95 SH 96 SH 97 SH 98 SH 99
Former state highways	SH 1A SH 1F SH 2A SH 2B SH 15 SH 15A SH 17 SH 36 SH 40 SH 47A SH 49A SH 50A SH 52 SH 57A SH 61 SH 70 SH 72 SH 73A SH 89 SH 91 SH 92
Touring routes	Twin Coast Discovery Highway Thermal Explorer Highway Pacific Coast Highway Classic New Zealand Wine Trail Alpine Pacific Triangle Great Alpine Highway Foothills Scenic Route Inland Scenic Route Central Otago Touring Route Southern Scenic Route

• State highways in New Zealand
• Transport in the Auckland Region
• 1999 establishments in New Zealand
• 2012 disestablishments in New Zealand