Railway electrification in New Zealand Railway electrification in New Zealand Railway electrification was initially adopted by the New Zealand Railways in New Zealand for long tunnels; the Otira Tunnel, the Lyttelton Rail Tunnel and the two Tawa Tunnels of the Tawa Flat Deviation. Electrification of Wellington suburban services started with the Johnsonville Line and Kapiti Line out of Wellington from the 1930s. Auckland suburban services were electrified in 2014–15. Electrification of long distance services on the North Island Main Trunk (NIMT) dates from 1986, although KiwiRail is now considering diesel operation of the NIMT. New long tunnels e.g. the Rimutaka Tunnel and the Kaimai Tunnel
Woodville railway station, Manawatu-Wanganui and on 17 November it was decided instead to replace the station. In legislation and Hansard the proposed Woodville balloon loop was referred to as the 'Woodville Connection'. It was approved by the Finance Act of 1957 and the written description of the line was as follows; A connecting line leaving the Wellington to Woodville Railway near the Manga-atua Stream and running in a westerly direction to a junction with the Palmerston North to Napier Railway at McLean Street. Length about 1¼ miles. From the debate it is clear the loop was proposed due to the completion of Rimutaka Tunnel,