State Highway 22 (SH 22) is a New Zealand state highway just south of Auckland. It connects the town of Pukekohe to the Auckland Southern Motorway.

Quick Facts Route information, Length ...

State Highway 22
Route information
Maintained by NZ Transport Agency
Length	12.7 km (7.9 mi)
Major junctions
North end	SH 1 (Auckland Southern Motorway) near Drury
South end	Adams Drive in Pukekohe
Location
Country	New Zealand
Highway system
New Zealand state highways Motorways and expressways List
← SH 21 → SH 23

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The route begins at Exit 461 on SH 1 near Drury and travels in a general south-west direction along Karaka Road, and then south to Pukekohe. The highway officially terminates where SH 22 meets the northern intersection with Adams Drive. From there the road changes to Edinburgh Street and continues into Pukekohe town centre.

SH 22 used to cover a much longer route, via Tuakau, all the way to meet with SH 23 (which runs from Hamilton to Raglan). This section was revoked circa 1990^[1] although much of the original route still holds the name "Highway 22".^[2]

Metalling of the southern Te Uku-Waingaro section, to what is now SH 23, was completed in 1937.^[3] In 1944 what was to become State Highway 22 was expected to become an arterial road linking Auckland and New Plymouth.^[4] That was long before the National Roads Board, gazetted it as State Highway 22 in July 1963,^[5] which designation was first shown on a one-inch map in 1971.^[6]

A start was made on upgrading the road to the SH 23 junction near Te Uku in the early 1960s. 85% of the cost (£75,000 in 1961 – $3.3m at 2017 prices)^[7] was paid by the National Roads Board.^[5]

• List of New Zealand state highways