Kōrero: King Country region

North Island main trunk line: Raurimu spiral (1 o 3)

The Raurimu spiral is the North Island main trunk line's most impressive engineering feat. The land rose sharply between National Park and Raurimu, so laying the track in a spiral formation and running it through tunnels allowed the train to traverse the steep terrain. This clip from the 1981 television series Landmarks, presented by geographer Kenneth Cumberland, explains the spiral's design. 

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Me pēnei te tohu i te whārangi:

Kerryn Pollock, 'King Country region - Transport and infrastructure', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/video/34902/north-island-main-trunk-line-raurimu-spiral (accessed 20 August 2019)

Story by Kerryn Pollock, updated 30 Mar 2015