Northwestern Motorway

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Northwestern Motorway
The motorway west of Waterview
Route information
Maintained by NZ Transport Agency
Length	21 km (13 mi)
Existed	1952–present
Component highways	State Highway 16
Major junctions
East end	SH 16 (Stanley Street) – Auckland CBD
Major intersections	SH 1 (Northern Motorway/Southern Motorway) – Auckland CBD
West end	Brigham Creek Road, Whenuapai
Location
Country	New Zealand
Primary destinations	Central Auckland, West Auckland
Highway system
New Zealand state highways Motorways and expressways List

The Northwestern Motorway (also known historically as the Auckland–Kumeu Motorway), part of State Highway 16 (SH 16), is the major western route and secondary northern route out of Auckland in New Zealand. Twenty-one kilometres in length, the motorway runs from Stanley St in Parnell through the Central Motorway Junction, and west through Central Auckland and West Auckland before continuing northwest and terminating outside of Kumeū. Its western terminus is at Brigham Creek Road in Whenuapai. A large part of it forms the middle section of the Western Ring Route.