- Southwest Motorway
New Zealand motorway
motorway= Southwestern Motorway
state-highway= State Highway 20
length-km= 16
length-mi= 10
direction= Southeast - Northwest
start= Wiri
destinations= Manukau, Auckland Airport
end= Hillsborough Road
opening-date= 1977
completion-date= 2015
junctions= Exit 1
State Highway 1 (under construction)
Exit 3
State Highway 20B
Exit 9
State Highway 20A
Exit ?
SH 16Northwest Motorway (proposed)The Southwestern Motorway, State Highway 20 (SH20), forms part of the major route from Auckland CBD to
Auckland International Airport , New Zealand. The motorway is 13 km in length with 8 junctions.SH20 stretches from the
Auckland Southern Motorway inManukau City to Hayr Road, Mt Roskill inAuckland City , and currently only the section between Puhinui Road in the southeast and Hillsborough Road in the northwest is of motorway standard. Currently the motorway is being extended from SH20 intersection with Queenstown Rd in Mt Roskill to Richardson Rd and is expected be complete mid 2009. The planned final terminus will be theNorthwest Motorway via theSH20 Waterview Connection scheduled to open by 2015.The Southwestern Motorway bypasses Auckland International Airport, with SH20A from the north and SH20B from the east both branching off the SH20 to the airport.
SH20B leaves SH20 at the southern terminus of the Southwestern Motorway and travels west along Puhinui Road to the airport. SH20A leaves the Southwestern Motorway in Mangere and travels south along an additional stretch of motorway, commonly referred to as the "Airport Motorway". The motorway terminates at Kirkbride Road, and traffic continues on SH20A south to the airport.
SH20, SH20A, and SH20B form an almost triangular shape between the southern terminus of the Southwestern Motorway, Auckland International Airport, and the SH20/SH20A motorway junction.
Exit List
ee also
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List of motorways, expressways, and highways in Auckland
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