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
Karawanks Tunnel (railway) Karawanks Tunnel (railway) The Karawanks Tunnel (, ) is the fourth longest railway tunnel in Austria and the longest in Slovenia with a length of (4.96 miles). The tunnel passes under Rožca Saddle between Rosenbach in southern Austria and Jesenice in northern Slovenia. It was an important part of the Karawanken Railway, which was - together with the Bohinj Railway - built to connect the port of Trieste with Klagenfurt, the capital of the federal state of Carinthia in Austria. Between 1867-1918, Trieste was part of the Austro-Hungarian Empire. It was Austria's first seaport and the principal outlet for the