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State Highway 16 (SH 16) is a New Zealand state highway linking central Auckland with Wellsford, via Auckland's Northwestern Motorway, Helensville and Kaukapakapa.It provides an alternative to SH 1 for traffic travelling between Auckland and parts of Northland from Wellsford northwards.
SH1-20 east–west corridor linking the southern and western motorways between East Tāmaki and Onehunga – The Eastern Transport Corridor is a route that was reserved for a new motorway to the fast-growing business and residential suburbs of east and south-east Auckland. Strong political opposition meant that development of the route did not ...
The Waterview Tunnel is a twin road tunnel in central Auckland, New Zealand.At 2,400 metres (7,900 ft) long, it is New Zealand's longest road tunnel. [1] The tunnel, with three lanes of road vehicle traffic in each direction, connects State Highway 20 in the south at Mount Roskill to State Highway 16 in the west at Point Chevalier as part of the Waterview Connection.
Oakley Creek, near where the bored tunnels in the final (2010) alignments stop (and was joined to cut and cover built tunnels for the last section towards SH16).. Several routes were considered, all being variations of either a connection to SH16 along the Rosebank Peninsula (e.g. AR1, AR3) or at the Great North Road interchange at Waterview (e.g. AW1, AW4). [5]
This is a list of motorways and expressways in New Zealand, including some proposed and under construction.There are currently 416 km of motorways and expressways in New Zealand. 19 km are currently under construction, with a further 170 km expected to be completed by 2034, at which time a total of 605 km of motorway and expressway is expected.
Traffic could now travel 11.5 km on the Northwestern Motorway, and the journey between Auckland and Whenuapai was cut by a total of 9 km compared with local roads. In 1966, the current Auckland International Airport opened at Mangere, and Whenuapai reverted to a military airport. This affected the use of the motorway, delaying further extensions.
An extensive motorway network was planned for Auckland in the 1950s [30] and 1960s. [31] Auckland's first motorway was a 3.2 kilometre section of the Southern Motorway, between Penrose and Mt Wellington, that was opened in 1953. [32] By 2017 there was over 220 km of motorways in Auckland, carrying over 900,000 trips per day [33] on the ...
A future option to also bury the traffic lanes of the remaining southbound viaduct at a later stage was not ruled out. [6] It was initially desired by the local stakeholders but did not go forward, even though the estimates for a replacement of the existing viaduct with a second/wider two-way tunnel envisaged costs of only 50% over the cost of a one-way structure (rather than a doubling of the ...