New Zealand State Highway 20 2012 and opened to traffic in July 2017. ! Territorial authority ! Location ! km ! Exit ! Destinations ! Notes New Zealand State Highway 20 State Highway 20, also known as the Southwestern Motorway, is a New Zealand state highway linking State Highway 1 at Manukau City Centre with State Highway 16 in Point Chevalier, via Mangere and Onehunga. Along with its spurs, State Highway 20A and 20B, the state highway serves Auckland Airport, the country's largest, therefore making State Highway 20 a key arterial route connecting the airport to the wider Auckland region and most of the upper
Admiralty Bay (New Zealand) to the waters of Cook Strait, but to the west a narrow and treacherous stretch of water French Pass is the only maritime access. The Bay was named in March 1770 by Lieutenant James Cook during his first voyage to the Pacific. Having completed a circumnavigation of New Zealand aboard "HMS Endeavour", Cook had the ship anchored in the bay for resupply with wood and water, and remained there from 27–31 March 1770. Cook described the land surrounding the bay as "of a very hilly uneven surface and appears to be mostly covered with wood, shrubs, firns & c. which