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New Zealand State Highway 15

State Highway 15 NZ.svg

State Highway 15
Route information
Maintained by NZ Transport Agency
Length: 126.5 km (78.6 mi)
Major junctions
Northwest end: SH 1 near Okaihau
Southeast end: Marsden Point
Highway system
SH 14 SH 16

State Highway 15A
Location: Ruakaka to Marsden Point
Length: 8.5 km (5.3 mi)

State Highway 15 NZ.svg

State Highway 15 (SH 15) is a New Zealand state highway in the Northland region of the North Island. It is 126.5 km long and links SH 1 with the Marsden Point Oil Refinery and Northport.

Prior to 1930, the recommended route by the Automobile Association, from Whangarei to Kaitaia was via Mangakahia and was named Highway 1. Approximately 90 years later a formal designation has been re-instated. The current SH 1 south of Kawakawa was only a rough clay road in the 1920s. Also known as the Northland Inland Freight Route it was declared a state highway in August 2016. Formerly administered by the Far North District Council and Whangarei District Council, in May 2015 the NZ Transport Agency agreed to include it to the state highway network after lobbying from the local authorities and industries given its significance to the regional forestry industry and its connectivity to the regions port near Marsden Point. Of the newly declared state highway, 96 km is former council administered roads, 8.5 km was from the former SH 15A and the remainder shared as concurrencies with SH 1, SH 12 and SH 14.

State Highway 15 commences at SH 1 near Okaihau. It follows Te Pua Road for 7.4 km before intersecting SH 12 and turns west, where is shares a concurrency for approximately 2 km into the town of Kaikohe. SH 15 then turns south at Mangakahia Road where it travels on mostly rural road through forestry, changing orientation from a south to a southeast direction, for approximately 70 km where it intersects SH 14. It shares a very brief concurrency with SH 14 and then leaves it to continue southeast on Otaika Valley Road for approximately 10 km where it ends at Loop Road where a short connection of the northern part of Loop Road meets SH 1.


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