New Zealand State Highway 20 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 North Island. The route also forms the southern part of the Western Ring Route, a motorway route bypassing central Auckland. It
Christchurch International Airport services from the airport terminals. Three different city bus routes service the airport terminal. The Purple Line route to the central city via Avonhead and Riccarton, continuing to Sumner; the number 29 route to the central city via Fendalton; and the number 125 on its route from Redwood to Halswell. Christchurch International Airport Christchurch International Airport is the main airport that serves Christchurch, New Zealand. It is located 12 kilometres to the northwest of the city centre, in the suburb of Harewood. Christchurch (Harewood) Airport officially opened on 18 May 1940 and became New Zealand's first international airport on 16