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
Quitaque Railway Tunnel Quitaque Railway Tunnel The Quitaque Railway Tunnel or Clarity Tunnel is a abandoned railway tunnel in Floyd County, Texas about southwest of Quitaque. Construction started in 1927, and the tunnel and associated railway line were completed and opened for use in 1930. The tunnel was listed on the National Register of Historic Places in 1977, and was designated a Texas State Antiquities Landmark in 2003. The Fort Worth and Denver South Plains Railroad Company built the tunnel for its own use. Irish and Swedish immigrants comprised the construction crews. The tunnel cuts through sandstone of the Caprock Escarpment, about 50