Maymorn railway station Maymorn railway station Maymorn railway station is a twin platform, rural railway station serving the small settlement of Maymorn on the Maymorn Plateau, east of Upper Hutt, in New Zealand’s North Island. It is served by the Wairarapa Connection, and sees five services each way Monday to Thursday, six on Friday and two on Saturday and Sunday. This station was initially known as Mangaroa and received its present name on 26 January 1959. This station officially opened on 3 November 1955 along with the Rimutaka Deviation and Rimutaka Tunnel, and the original Mangaroa railway station was closed. The ground on
Otira Tunnel tunnel in the world and the longest in the British Empire. The Midland Railway Company investigated options to a long tunnel; but a line over the pass with gradients of 1 in 50 on both sides was not practical. Other options for a line over the pass were a cable-hauled system or a line of 1 in 15 gradient using either the Fell system or a rack railway using the Abt system (or even a S-shaped tunnel under Mount Rolleston). However the government did not favour the Fell system as used on the Rimutaka Incline which was expensive to operate.