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
Dularcha Railway Tunnel significant as one of only two tunnels constructed along the entire North Coast Line and is good example of a concrete lined tunnel constructed for Queensland's narrow-gauge railway lines. Dularcha Railway Tunnel Dularcha Railway Tunnel is a heritage-listed former railway tunnel at south of Mooloolah township in Landsborough, Sunshine Coast Region, Queensland, Australia. It was built from 1890 to 1891 by T Jesser & Company. It is also known as North Coast Line No 1 : Mooloolah tunnel. It was added to the Queensland Heritage Register on 24 September 1999. Dularcha Railway Tunnel, constructed in 1890-91, formed part of the