Rimutaka Tunnel the first fully dieselised line in New Zealand. Today, DBR, DC, DFT and DX class locomotives run the route. There have been proposals to electrify the tunnel and the Wairarapa line as far north as Masterton as an extension of the Wellington suburban electrification. The tunnel was designed to enable catenary to be installed but this has not happened, and the catenary finishes just north of Upper Hutt station. In 2007, Greater Wellington Regional Council rejected a call to electrify the tunnel, on the basis that patronage did not justify the expenditure, and that the tunnel would "have to be
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