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) Austro-Hungarian Empire's ocean trade, but it lacked adequate railway communication with Austria's interior. To give a great impetus to the trade of Trieste in particular and to the over-sea trade of Austria in general, it was decided in 1901 to build the Karawanken Railway, connecting Trieste and Klagenfurt. The railway was built over and through the Karawanks, Europe's longest (120 km/70 mi) mountain range, on the border between what are now Slovenia and Austria. The Karawanks Tunnel was opened on October 1, 1906, by Archduke Franz Ferdinand. The tunnel is still of importance to international train traffic. It is traversed