State Highway 4 (New Zealand)

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State Highway 4
Route information
Maintained by NZ Transport Agency
Length	237 km (147 mi)
Major junctions
North end	SH 3 at Eight Mile Junction (11 km (6.8 mi) south of Te Kūiti)
South end	SH 3 at Whanganui
Location
Country	New Zealand
Primary destinations	Taumarunui, National Park, Raetihi
Highway system
New Zealand state highways Motorways and expressways List
← SH 3 → SH 5

State Highway 4 is the shortest of New Zealand's eight national highways. It runs north-south across rugged hill country, forming a short cut between two points on State Highway 3 thereby avoiding Taranaki and the coasts of the North and South Taranaki Bights. Distances are measured from north to south.

For most of its length SH4 is a two-lane single carriageway, with at-grade intersections and property accesses, both in rural and urban areas. The NZ Transport Agency (NZTA) classifies SH 4 as a primary collector road, except between National Park (SH 47) and Tohunga Junction (SH 49) where it is classified an arterial road.^[1]