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
Kaunas Railway Tunnel and largest in Lithuania railway bridge over the Nemunas river. The construction of the tunnel started on 15 May 1859, whereas the construction of the bridge started a bit earlier – at the end of April, 1859. The railway from Virbalis to Kaunas was also being built. Kaunas railway tunnel was built from 1859 till 1861. The construction was surveyed by the French engineer G. F. Perrot, as well as Polish-Lithuanian engineer Stanisław Kierbedź. For construction works has been hired "Ernest Goüin et Cie." company from Paris. The tunnel was dug from both sides in a 30-metre-high hill, under the