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
Yimbun Railway Tunnel Yimbun Railway Tunnel Yimbun Railway Tunnel is a heritage-listed tunnel at Sinnamons Lane, Harlin, Somerset Region, Queensland, Australia. It was designed by Queensland Railways and built from 1909 to 1910 by Queensland Railways. It was added to the Queensland Heritage Register on 27 November 2008. The Yimbun Railway Tunnel, located from Wulkuraka railway station, is a concrete-lined tunnel built between 1909 and 1910. It is the only railway tunnel on the Brisbane Valley railway line. This line was developed as a branch line from the main Brisbane-Toowoomba rail line. It was constructed from Wulkuraka near Ipswich to Lowood (1884) then